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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