8. The ice _________(cover) with snow is dangerous to walk on.

7. Her son is too young __________(dress) himself.

6. The policeman told the boys not ____________(play) in the street.

5. Don’t keep me _______(wait) for a long time.

4. It’s spring now. It’s time _____________(plant) trees.

3. Do you have anything ____________(say) for yourself?

2. He is good at _____________(swim).

1. Is it necessary ____________(learn) a foreign language?

30. I’m hungry. Get me something _______ (eat).

29. Mr. Black gave up ______(smoke)only a few years ago. He looks very healthy now.