动词填空。

1. If it             (rain) tomorrow, we _______ (not go) to the park.

2. The heavy rain prevented us _______ (play) football.

3. The teacher often tells us _______ (not make) any noise in class.

4. The doctor asked me ______ (take )the medicine three times a day.

5. When I met my friend on my way, I stopped             (talk) with him.

6. So much work usually makes him ______ (feel) very tired.

7. Sorry, we are late. We ______ (not catch) the bus.

8. There are not many cranes ______ (live) in the world.