1. we ( not see).. Nga since day, 2. Lan ( be).. in the USA for 2 years, 3. I ( go) .. to bed at 11 o'clock last night, 4. they (move) .. to London in 2003, 5. they (live) .. in HCM city since January, 6. that's a very old bike. He (have).. it for a long time, 7. I (buy).. the motorbike 5 years ago, 8. Peter (be).. ill for a week, 9. hoa (visit).. her parents one a years, 10. what..(you).. do.. on your birthday, 11. hoa and linh ofen (play).. badminton after class, 12. many people in the countryside still (work).. seven days a week, 13. she (come).. to France 2 years ago, 14. I (just send).. a letter, 15. he (work).. for that company for 5 years