2. They have lived in Washington in 1960.

3. Lan left Ha Noi last month and has worked in Ho Chi Minh City since then.

4. Mr. Nam has taught English since 2000.

5. We bought this car 2 years ago.

6. How long have you learnt English ?

7. I haven't seen him since we say good bye.

8. Yesterday I visited my parents.

9. I have learnt English for 10 years.

10. Lan and Nga were close friends since last year.

11. What did you do yesterday?

12. I have read the novel written by Jack London several times.

13. She was born in 1980.

14. Mr Nam has taught English in this school since he graduated from university.

15. Last month I was in the hospital.

16. I have had a computer since my nineteenth birthday.

17. The last time I went to Ho Chi Minh City was in 2012.