give the correct form of word?

cho dạng đúng của động từ trg ngoặc (Quá khứ hoàn hảo vs quá khứ đơn giản)

1. Almost everybody (leave)…………………………. by the time we (arrive)…………………………..
2. He (wonder)…………………………. whether he (leave)…………………………. his wallet at home.
3. The secretary (not leave)…………………………. until she (finish)…………………………. her work.
4. The couple scarcely (enter)…………………………. the house when they (begin)…………………………. to argue.
5. The teacher (ask)…………………………. the boy why he (not do)…………………………. his homework.
6. She already (post)…………………………. the letter when she (realize)…………………………. she (send)…………………………. it to the wrong address.
7. Hardly the car (go)…………………………. a mile when it (have)…………………………. a flat tyre.
8. The weather (be)…………………………. far worse than we (expect)…………………………..
9. They (be married)…………………………. for five years when thy finally (have)…………………………. a child.
10. No sooner they (sell)…………………………. their car than they (regret)…………………………. having done so.
11. When she (finish)…………………………. her work she (go)…………………………. to the cinema.
12. He (not eat)…………………………. until his parents (come)…………………………. home.
13. She (tell)…………………………. me she never (meet)…………………………. him.
14. He (do)…………………………. her homework before he ( go)…………………………. out.
15. The lights (go)…………………………. out the moment he (get)…………………………. into the cinema.
16. Hardly the holiday (begin)…………………………. when they (leave)…………………………. the town.
17. They (be)…………………………. out for an hour when it (start)…………………………. to rain.
18. They (leave)…………………………. the shop as soon as they (buy)…………………………. everything they (need)…………………………..
19. The house (burn)…………………………. to the ground buy the time the firemen (arrive)…………………………..
20. As he (do)…………………………. a lot of work that day he (be)…………………………. very tired.
21. I already (hear)…………………………. about the accident when he (tell)…………………………. me about it.
22. He (live)…………………………. in the country for ten years when he first (come)…………………………. to London.
23. I (not talk)…………………………. to him because when I (arrive)…………………………. he already (leave)…………………………..
24. When we (go)…………………………. out again, the wind (stop)…………………………..
25. He (think)…………………………. he (win)…………………………. in the lottery but he (not have)…………………………. of course.
26. No sooner the bell (ring)…………………………. when the pupils (go)…………………………. out to play.
27. Before you (mention)…………………………. his name, I never (hear)…………………………. of this poet.
28. Our guests (be)…………………………. still here when he (come)…………………………. back from school.
29. The same day he (arrive)…………………………. I (receive)…………………………. a postcard from him.
30. They just (close)…………………………. the shop when I (get)…………………………. there.