非谓语动词 动词不定式：

1. Mother told Mary ______ late for school.

A. not to

B. not be

C. not to be

D. did not be

2. Pessimists warn us not ______ for pretty colors， since the car will come in gray.

A. ask

B. asking

C. to ask

D. to be asked

3. Mrs. Black warned her son ______ after drinking.

A. never to drive

B. never drive

C. to never drive

D. never driving

5. -Where do you suggest going? -We promised ______ the children to the West Lake.

A. taking

B. to take

C. taken

D. took

6. A lot of people find modern art very hard ______.

A. understood

B. understanding

C. to understand

D. being understood

7. They found the lecture hard ______.

A. to be understood

B. to understand

C. for understanding

D. to have been understood

8. Would you like one ______ the radio a bit?

A. turning down

B. to turn down

C. turn down

D. turned down

9. In order to get to Peter’s house easily， I had his secretary ______ a map for me.

A. to draw

B. draw

C. drawn

D. drawing

10. Mrs. Wang made me ______ the work again.

A. do

B. to do

C. doing

D. raised

11. When his name was mentioned， I saw him _______ from his seat.

A. rise

B. rose

C. raise

D. raised

12. The salesman persuaded us ______ his product.

A. buying

B. to buy

C. buy

D. having bought

13. The city government must take action ______ the increasing population.

A. to control

B. controlling

C. controls

D. controlled

14. Many people do not understand how much water the human body needs ____work properly.

A. at

B. for

C. in

D. to

15. The tourists haven’t decided which hotel ______.

A. to stay

B. to stay at

C. is to stay

D. to be staying

16. They held a conference to decide ______ to meet the emergency.

A. how

B. what

C. that

D. which

17. Wet umbrellas are not allowed ______ into this hotel.

A. to be taken

B. to take

C. taken

D. taking

18. It’s very kind ______ invite me to your birthday party.

A. from you to

B. of you to

C. by you to

D. that you

19. I feel it an honor ______ to speak here.

A. to ask

B. to be asked

C. asking

D. having asked

20. Mr. Brown is said ______ for Italy last week.

A. to have left

B. to leave

C. to be leaving

D. to have been left