1. did
2. has written. hasn't finished
3. left. have never met
4. did /have
5. did/ do. Did / play
6. bought. hasn't worm
7. has tought. graduated
8. Have / heard. has / done. Have / read
9. got. was. went
10. earned. have already spent
Có j sai sót, mong bạn bỏ qua. Chúc bạn học tốt!!!