1. ______you call me to say you’re coming, I’ll see you at the

theatre.

A. Though B. Whether C. Until D. Unless

3. It was ______ back home after the experiment.

A. not until midnight did he go

B. until midnight that he didn’t go

C. not until midnight that he went

D. until midnight when he didn’t go

2. Scientists say it may be five or six years ______ it is

possible to test this medicine on human patients.

A. since B. after C. before D. when

4. You should try to get a good night’s sleep ______ much

work you have to do.

A. however B. no matter C. although D. whatever

6. It was evening ______ we reached the little town of

Winchester.

A. that B. until C. since D. before

5. You can eat food free in my restaurant _______ you like.

A. Whenever B. wherever C. whatever D. however

7. ______ I accept that he is not perfect, I do

actually like the person.

A. While B. Since C. Before D. Unless

8. Roses need special care ______ they can live

through winter.

A. because B. so that C. even if D. as

9. ______modeling business is by no means to

get into, the good model will always be in

demand.

A. While B. Since C. As D. If

10. Parents should take seriously their children’s

requests for sunglasses ______ eye protection

is necessary in sunny weather.

A. because B. though C. unless D. if

1. Don’t be afraid of asking for help____ it is needed.

A. unless B. since C. although D. when

3. — Did you remember to give Mary the money you owed

her?

— Yes, I gave it to her ____ I saw her.

A. while B. the moment C. suddenly D. onc

e

2. Why do you want a new job ____ you’ve got such a good

one already?

A. that B. where C. which D. when

4. — I’m going to the post office

— _____ you’re there, can you get me some stamps?

A. As B. While C. Because D. If

6. He made a mistake, but then he corrected the situation

_____ it got worse.

A. until B. when C. before D. as

5. Someone called me up in the middle the night , but they

hung up __________I could answer the phone.

　 A. as B. since C. until D. before

7. Mother was worried because little Alice was ill,

especially _____ Father was away in France.

A. as B. that C. during D. it

9. The WTO cannot live up to its name ________it does

not include a country that is home to one fifth of

mankind.

　 A. as long as B. while C. if D. even thoug

h

8. The men will have to wait all day ____ the doctor works

faster.

A. if B. unless C. whether D. that

10. _____ I know the money is safe, I shall not

worry about it.

A. Even though B. Unless

C. As long as D. W

11. John shut everybody out of the kitchen

____ he could prepare his grand surprise

for the party.

A. which B. when C. so that D. as if

12. It is generally believed that teaching is ____ it is a

science.

A. an art much as B. much an art as

C. as an art much as D. as much an art as

14. 18. You should make it a rule to leave things _____

you can find them again.

A. when B. where C. then D. there

13. _____ you’ve got a chance , you might as well make

full use of it.

A. Now that B. After C. Although D. As soon as

15. After the war, a new school building was put up

_____ there had once been a theatre.

A. that B. where C. which D. when 16. _____, Mother will wait for him to have dinner

together.

A. However late is he B. However he is late

C. However is he late D. However late he is

17.Come and see me whenever _____.

A. you are convenient

B. you will be convenient

C. it is convenient to you

D. it will be convenient to you

18. You didn’t let me drive. If we _____ in turn , you ____

so tired.

A. drove ; didn’t get

B. drove ; wouldn’t get

C. were driving ; wouldn’t

D. had driven ; wouldn’t have got

19. — Can I join your club , Dad ?

— You can when you _____ a bit order.

A. get B. will get

C. are getting D. will have got

20. When a pencil is partly in a glass of water. it looks as if

it _____.

A. breaks B. has broken

C. were broken D. had been broken

21. As she ____ the newspaper, Granny ____ asleep.

A. read; was falling B. was reading; fell

C. was reading ; was falling D. read ; fell

22. I didn’t see your sister at the meeting . If she ____, she

would have met my brother.

A. has come B. did come

C. came D. had come

before, when, whenever, while, as, the moment, immediat

ely, the instant 引导的时间状语从句

时态的搭配so that 引导的目的状语从句where 引导的地点状语从句while, however 引导的让步状语从句now that , because 引导的 原因状语从句as long as, unless 引导的条件状语从句

注意 : 时态的搭配—主将从现1. 连词 :

A.when / as / while, / whenever B. since

C. before D. after, E. till/until

F. as soon as/ no sooner than/ hardly… when / the

moment /directly / immediately/the minute/ once

G. each time/ every time/ the next time

H. by the time

2. 比较 :

when:

(1) 从句动作和主句动作发生在相同时间 I thought of it just when you opened your mouth.

(2) 从句动作在主句动作之前或之后 When she took a gun out , everyone backed away nervously.

When I got to the cinema, the film had begun.

(3) 做并列连词表示 “正在那个时候” We were watching TV, when suddenly the light went out.

He was about to leave, when the telephone rang

He had just left the tree, when it fell down.

while:

(1) 从句动作和主句动作长时间的同时进行或两种态同 时存在 He visited a lot of places while he was traveling.

While we were cleaning the window, they were

sweeping the floor.

(2) 做并列连词表示前后相反成为对比 Some people are fat while others are thin.

as:

(1) 表示 “一边……一边……” He trembled as he spoke.

(2) 从句动作随着主句动作或状况发展而发展

As he became richer, he had fewer friends.

(3) 注 : 指时间时只用于 come, go, stand 等动态动词 ,

不用于静态动词 .

By the time he arrived, we had already left.

By the time I leave the city, I’ll have been here for

three months.

3. 句型 :

It is+ 时间 +since…

It is two years since I last saw you.

It was two years since I had ridden a horse.

It is/was(not) + 时间 +before+ 从句

It was (not) long before they drove the enemy out

of their country.

Before I had a chance to speak to him, he had left.

It is not till… that…

It is not till people lose their health that they know

the blessing of it.

1. 连词 :

where B. wherever

2. 比较 :

His house stands where three roads meet.( 地

点 )

His house stands at the place where three roads

　　

meet.( 定语 )

1. 连词 :

A. because B. since C. as

2. 比较 :

because “ 因为”语气最重 , 回答 why 时只能用它 .

She left because she had another appointment.

Because she had another appointment she left.

It was because she had another appointment that sh

e left.

It is because he behaved so badly that he must b

e punished.

The reason why he isn’t coming is that his moth

er won’t let him come.

6 ．句型 :

A. if B. unless, C. in case

D. so long as( 只要 )

E. on condition that( 只要 ) F. once( 一旦 )

注意 : 1) 时态的搭配 ——主将从现

2) 可以用 will ,would 表示满意”请求” , “ 愿意” .

1. 连词 :

Unless he is hungry, he will never cry. ( 语气较强 ,

不

能用于虚拟语气 )

If he is not hungry, he will never cry.

In case I’m late, start without me.( 条件 )

I’ll come tomorrow incase Sunny wants me.( 目的 )

2. 比较 :

目的 : that, so that, so…that, in order that

结果 that, so…that ,such…that

注 : 目的状语从句的谓语里常有 can, could may, might,

will, would 等

1. 连词 :

I’ll speak slowly so that you can understand me.

He spoke slowly so that I understood him

2. 比较 :

such + adj.+ 不可数名词 / 复数可数名词 + that

It’s such nice weather that all of us want to go to the park.

such + a/an +adj.+ 单数可数名词 +that =so +adj. +a/an + 单数可数名词 + that

Mike is such an honest worker that we all believe him.

Mike is so honest a worker that we all believe him.

so many/few/much/little+ n. +that

Mr. Green had so little education that he was unable to get a

job.

3. 句型 :

A.Though 　　　　　 B. although 　　 C. even if

D. even though 　　 F. however 无论 G. no matter

~

H. whatever I. whoever J. whichever

K. when/while=although

注 :though/although 不能和 but 连用 .

1. 连词 :

Even though he is my brother, I don’t trust him.

尽管…… ( 事实上他是我弟弟 )

Even if he were my brother, I would not trust him.

即使…… ( 其实他不是我弟弟 )

2. 比较 :

adj./n./v. +as + 主谓 + 主句

Important as water is to us, we cannot live on it alone.

Fool as he is , he will not do such a thing.

Shout as he might, he could not make himself heard.

3. 句型 :

A. as…as 　 B. not so/as…

as

C. more…than D. the most… in/of

The film is more interesting of the two.

1. 连词 :

2. 句型 :

Ａ . as B. as if/as though

Do in Rome as Romans do.

Sometimes he acts as if he didn’t have a brain in his

head.

连词 :

1. — Our holiday cost a lot of money.

— Did it? Well, that doesn’t matter______ you

enjoyed yourself.

A. unless B. in case

C. as far as D. as long as

3. ______you understand the rule, you will have no

further difficulty.

A. While B. Once C. Though D. Unless

2. — Shall Mary come and play computer games?

— No, ______ she has finished her homework.

A. when B. if C. unless D. once

4. After you used the dictionary, please just put it

back______ it belongs.

A. where B. to which C. what D. that

6. The fans in Chicago admire Michael Jordan_____ he is no

longer fighting for the Chicago Bulls.

A. since B. even if C. however D. when

5. — Did the door-keeper let you in?

— No. ______I tried to tell him I was your relative, he

just didn’t believe me.

A. Even if B. However

C. No matter D. Whether

7. They were surprised that a child should work out the

problem ______ they themselves couldn’t.

A. once B. then C. while D. if

9. Food shortage will long be a world problem ______much

has been done to supply enough for everyone.

A. although B. no matter C. since D. before

8. Americans eat ______ vegetables per person today as they

did in 1910.

A. more than twice as many B. more than twice

C. as twice as many as D. twice as many as

10. ______ she realized it was too late to go home.

A. No sooner it grew dark than

B. Hardly did it grow dark that

C. It was dark after

D. It was not until dark that

12. How long do you suppose it is ______ he arrived there.

A. when B. before C. after D. since

11. ______ the Internet is bridging the distance between

people, it may also be breaking some homes or will cause

other family problems.

A. When B. While C. If D. As

13. Tom often has to be called two or three times ______

he comes downstairs to have dinner.

A. until B. when C. after D. before

15. Their tent, ______ light as a feather, remained firm in the

storm last night.

A. as if B. even C. though D. if

14. It was a week______ the boy got ______ again. He was

sent to hospital at once.

A. before; to be hurt B. since; to be hurt

C. before; hurt D. since; hurt

16. ______ your daughter has recovered and your son has

　 passed the college entrance examination, you have

nothing to worry about.

A. Because B. Now then C. So long as D. Now that

18. — Do you enjoy listening to records?

— I find records are often ______ or better than an

actual performance.

A. as good as B. as good C. as well as D. as well

17. ______ the living standard improves, people will take

greater interest in traveling at home and abroad.

A. Because of B. With C. During D. As

19. Quite the opposite in fact, I like to live ______ much traffic

and noise.

A. in which there is B. in the place there is

C. wherever D. where there is

21. We had been out for long, ______ she felt sick.

A. as B. when C. while D. after

20. — Why do you drink so much tea?

— Well, ______ it doesn’t keep me awake in the nights.

A. although B. as soon as C. as long as D. while

22. John knocked at the door for nearly five minutes _____

his friend opened it.

A. when B. before C. until D. while

24. — Did you remember to give Tom the key to the bike?

—Yes I gave it to him ______ I saw him.

A. while B. once C. suddenly D. the moment

23. I was half way back to the cottage where my mother lived

______ Susan caught up with me.

A. before B. where C. when D. that

25. Some people waste a lot of food ______ others haven’t

enough to eat.

A. however B. when C. as D. while

27. ______ there is something else to discuss, I’ll declare the

meeting closed.

A. As B. While C. Since D. Unless

26. ______ the Egyptian people were warlike, they found time

for peaceful games.

A. As if B. Even though C. Once D. As soon as

28. — I’d like to invite you to my new house next weekend.

__Thank you, but ______ I’ll have time I’m not sure at the

moment.

A. when B. as C. in case D. unless

30. The patience don’t have to wait all day _____ the doctor

works fast.

A. if B. whether C. unless D. that

29. _____, you mustn’t go against rules.

A. No matter what to do B. Whatever to do

C. What you do D. Whatever you do