Put the verbs in brackets in the correct form, past simple or present perfect

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V, Put the verbs in brackets in the correct form, past simple or present perfect.
1. Oh! I left my keys on the bus again. I always (forget) the keys.
2. You (be) away? Yes. I (go) to the country last Sunday.
3. Look! Our cat (lie) in the yard under the sunshine.
4. This bike (use) for more than six years.
5. We (not see) her since we (be) on holiday in Ha Long Bay.
Sorry I can't answer your question now. I (not understand) what the teacher is explaining.
7. He (cut) my hair too short. - Don't worry; it (grow) again very quickly.
8. Why is he so tired? He (play) tennis for five hours.
9. Most of the Earth's surface (cover) by water.
10. He (see) to play games every day..
11The police (arrest) three people, but later they let them go.
12. What do think of my English? Do you think it (improve)?
13.I (apply) for a job as a tourist guide, but I wasn't successful.
14. Where's my bike? It (be) outside the house, but it's not there now.
15."Is Sona here?" - "No, she (not/ come) yet.
16.I (see) her before.
17.I (see) her last year.
18. Tom (never be) in Hanoi.
19.1 (read) the novel written by Jack London several times before.
20. What you (do) yesterday?
21.You (watch) TV last night?
22.She (be) born in 1980.
23.He (write) a book since last year.
24.Mr.Green (teach) English in this school since he (graduate) from the university in 1986.
25.How long you (learn) English?
26.1 (have) this shirt for nearly 4 years.
27. Cheese (make) from butter and milk.
28. We already (finish) the first semester exams.
29. The weather (get) hotter and hotter,
30. The movie (start) at 8.15 this evening.