Bài 1:
1.C
2.C
3. B
4. A
5. D
6. C
7. A
8. B
Bài 2:
1.was reading ; heard
2. came ; was having
3. went ; was raining
4. were you watching ; phoned
5. met ; was wearing
6. broke ; were playing
7. were waiting ; arrived
8. wasn't driving ; happened
9. fell ; was painting
10. were you doing
CHÚC BẠN HỌC TỐT!!!