1. John (listen) ..................................... to the radio now.
2. Tim (go) ..................................... to Scotland last year.
3. John (not, come) ..................................... to my birthday party last Sunday.
4. They (not read) ..................................... books in the sitting room right now.
5. They (build) ..................................... the house twenty years ago.
6. What ..................................... she (do) ..................................... now?
7. In 1997 there (be) ..................................... a terrible storm.
8. My brother (not watch) ..................................... TV now. He (wash) ..................................... his car.
9. She (not visit) ..................................... her son last week.
10. He (study) ..................................... English at this time.
11. Last summer I (study) ..................................... English in Can Tho City.
12. ..................................... you (work) ..................................... in the garden now?
13. What you (do) ..................................... last night.
14. She (listen) ..................................... to the radio in her bedroom at the moment.
15. He generally (sing) ..................................... in English, but today he (sing) ..................................... in Spanish.
16. She (be) ..................................... born in 1992.
17. Mary (meet) ..................................... her parents two week ago.
18. We seldom (eat) ..................................... before 6.30.
19. Yesterday we (have) ..................................... a meeting at our school.
20. She sometimes (buy) ..................................... vegetables at his market.
21. My parents (visit) ..................................... HCM city last week.
