III. Give the verbs of correct form.
21. Albert Einstein (die) ________________________ in 1955
22. Tom (go) _____________________ to the post office twice yesterday.
23. He (live) ___________________ in London from 1980 to 1985.
24. The 23th SeaGames ( be )___________ held in 2003..
25. How long you ( kown) _____her ? – I ( know)_____ her for a long time.
26. He (come) _______________ to see you last night ? Yes he did.
27. Minh (not,meet) _______________________ her in the street last Sunday.
28. Tuan and I (be) _______________________ at home last night.
29. I (study) _______________________ music when I was at school.
30. You ever ( see )____ a real robot at work ? – No, never.