用所给词适当形式填空。
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.
