【正文】
Did 。 1. Tom and Mary ___________ (e) to China last month. 2. Mike _________________(not go) to bed until 12 o’clock last night. So I _______ (get ) up late. 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 ______