一、用所给词的适当形式填空。

1. Tom and Mary ___________ (come) to China last month.

2. Mike _________________(not go) to bed until 12 o’clock last night.

3. Mary __________ (read) English yesterday morning.

4. There _________ (be) no one here a moment ago.

5. I ___________ (call) Mike this morning.

6. I listened but ___________ (hear) nothing.

7. Tom ___________ (begin) to learn Chinese last year.

8. Last week we _________ (pick) many apples on the farm.

9. My mother ________________ (not do) housework yesterday.

10. She watches TV every evening. But she ____________ (not watch) TV last night.

11．________ your father ________ ( go ) to work every day last year?

12．--What time _______ you _______ (get) to Beijing yesterday?

13. What __________ (make) him cry (哭) just now?

14. Last year the teacher ___________ (tell) us that the earth moves around the sun.

15. There _____________( be not) any hospitals in my hometown (家乡) in 1940.

16.