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Exercise 2. Give the correct form of the verbs to complete the sentences.

1. We (live) __________ here for 2 years.
2. They (live) __________ in Washington since 1960.
3. Lan left Hanoi last month and (work) __________ in Ho Chi Minh City since then.
4. Mr. Quang (teach) __________ English since 2000.
5. We (buy) __________ this car for 2 years.
6. How long you (learn) __________ English?
7. I (not see) __________ him since we said goodbye.
8. My class (visit) __________ the Temple of Literature several times.
9. I (learn) __________ English for 10 years.
10. Lan and Nga (be) __________ close friends since last year.
11. What you (do) __________ since two o'clock?
12. I (read) __________ the novel written by Jack London several times.
13. She (explain) __________ this problem for us for twenty minutes.
14. Mrs. Jenny (teach) __________ English in this school since she graduated from university in 2000.
15. I (be) __________ in the hospital for five days.
16. I (have) __________ a computer since my nineteenth birthday.
17. He (write) __________ an e-mail for an hour.
18. We moved here in 1998. We (be) __________ here for a long time now.
19. I (go) __________ to China four times. She loves this country.
20. I (go) __________ swimming with my friends since four o'clock.

Exercise 5. Give the correct form of the verbs to complete the sentences.
1. How many countries you (be) __________ to?
2. There’s a new cinema in town. You (be) __________ there yet?
3. I’m ready to go. You (finish) __________ getting ready yet?
4. The train (stop) __________. We can go out now.
5. She isn’t ready. She (not/pack) __________ her cases yet.
6. Sally (not arrive) __________ yet. Where can she be?