Chia động từ: 
1. I.....(have) lunch with Đông yesterday.
2. They.....(come) to see me this morning.
3. Nam.....(buy) several record last week.
4. What.....you.....(do) yesterday?
5. They.....(finish) their dinner half an hour ago.
6. The factory.....(begin) operation is at year.
7. .....you.....(be) a good student?
8. I.....(get) a special present on my last birthday.
9. They.....(not see) Mr.Thanh last night.
10. He usually.....(take) a taxi to the airport.
11. .....(you/have) a nice time in Rome?
12. I (not/know).....much about art, but I like some artists.
13. I (wait).....for ages when finally the bus arrived.
Giúp mik vs