1. Mike _______________ (write) English last night. 2. A policeman _______________ (see) two thieves steal a girl's mobile phone last week. 3. Mr. Wang _______________ (buy) a house in Shanghai in 2010. 4. Mary _______________ (begin) to begin Chinese last year. 5. My brother _______________ (not do) his homework yesterday. 6. I listened but _______________ (hear) nothing. 7. Our teacher usually _______________ (help) us when we were at school. 8. What _______________ he _______________ (do) last night? 9. What _______________ (do) you see three hours ago? 10. My brother usually _______________ (catch) a bus to go to school last month. 11. I _______________ (meet) my old friend a moment ago. 12. There _______________ (be) some beautiful flowers and some water in the vase just now. 13. — _______________ you _______________ (take) part in the last singing contest? — No, I _______________. 14. Yesterday the girl _______________ (show) me a nice skirt. I _______________ (like) it very much. 15. I _______________ (make) a card for my cousin last Christmas.
