16. Last Monday, while I (read) _______________ a book, the phone rang.
17. Nam (to buy)_________________ several records last week.
18. I (to be)___________ born in Hanoi but (to spend)___________ most of my childhood in the country.
19. My elder brother (to join)_____________ the army when he (to be) ____________eighteen.
20. It (to rain) ______________very hard now.
21. It (to rain) _______________very hard when I (to get up) _____________this morning.
22. What you (do)________________ yesterday? - I (get) _________ up very early, (have)______________ my breakfast and then I (to go)________________ to my office.
23. On my way to work I generally ( meet)_____________ many children who (go)_____________ to school.
24. The sun (to warm) ______________the air and (to give) _______________US light.
25. They (to finish)_________________ their dinner half an hour ago.
26. Be quiet! I (to want) _______________to hear the news broadcast.