Put the verbs in the correct tense. Use the SIMPLE PAST or the PRESENT PERFECT:

1. ……………………….. Tim ………………………. (finish) his work yet?
2. ……………………….. he ………………………… (finish) it ywsterday?
3. They ……………………………………. (just / go) out.
4. They ……………………………… (go) out a minute ago.
5. …………………… Ann …………………………. (study) yesterday afternoon?
6. …………………… you …………………………. (send) the letters yet?
7. …………………… she ………………………….. (call) him a week ago?
8. They ………………………………………. (not / see) the film yet.
9. The train ……………………………………………… (just / arrive).
10. ………………………. you ……………………………. (ever / be) in a TV studio?
11. …………………… you and Tom ………………………… (enjoy) the party last night?
12. …………………… you ………………………………. (not / finish) school last year?
13. I ………………………………………. (lose) my dictionary. I can’t find it anywhere.
14. His hair looks short. He ………………………………………….. (have) a haircut.
15. When ………………………………………………. (he / give up) smoking?
16. Jane …………………………………….. (buy) her car two weeks ago.
17. My bicycle isn’t here. Somebody ……………………………………………. (take) it.
18. Why ……………………………………… (Jim / not want) to play tennis last Friday?
19. The car looks clean. ……………………….. you ……………………….. (wash) it?
20. When we were on holiday, the weather …………………………… (be) terrible.