【习题训练】

1. __________it with me and I'll see what I can do.

A. When left

B. Leaving

C. If you leave

D. Leave

2. —English has a large vocabulary, hasn't it?

　 —Yes. __________more words and expressions and you will find it easier to read and communicate.

A. Know

B. Knowing

C. To know

D. Known

3. __________blood if you can and many lives will be saved.

A. Giving

B. Give

C. Given

D. To give

4. Let's keep to the point or we__________any decisions.

A. will never reach

B. have never reached

C. never reach

D. never reached

5. __________straight on and you'll see a church. You won't miss it.

A. Go

B. Going

C. If you go

D. When going

6. __________some of this juice, perhaps you'll like it.

A. Trying

B. Try

C. To try

D. Tried

7. __________it with me, and I'll see what I can do.

A. When left

B. Learing

C. If you leave

D. Leave

8. __________at the door before entering please.

A. Knocked

B. To knock

C. Knocking

D. Knock

9. __________out of the window.

A. No look

B. Not look

C. Don't look

D. Doesn't look

10. Don't be late for school again．（句意相同）

__________ __________be late for school.

A. You mustn't

B. You can't

C. We mustn't

D. We can't