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.
