Past continuous.
1. This time last year I (live)............... in Brazil
2. What................... you (do)............ at 10 o'clock lastnight?
3. Tom (cook)............... the dinner
4. Tom burn his hand when he (cook).............. the dinner
5. We (read)............. a book when he arrived
6. What................ he (do).............. when you came?
7. At 9.o'clock yesterday Lan (not watch)................. T.V
8. All the students (read)............... the text carefully
9. They (walk)............ to the corner.
10. They (study)................. in the library when the fire alarm went off.
11. It (snow)..................... when I got up this morning.
12. Helen (wait).................. in the lobby, wasn't she?
13. The wind (blow)................. very hard when I went out this morning.
14. He fell while he (go)................. down the stairs.
15. Where................ she (be) at 5 o'clock this morning?