xin lỗi nhiều nhưng còn bài cuối nữa ạ -_- dài quá

1. came - had finished

2. haven't met

3. went -  had read

4. hasn't worn

5. had started

6. listened - had done

7. had gone - went

8. had lived

9. had studied - did

10. hadn't had - came 

1. after david had gone home, we arrived

2. Before we took a look around the shops, we had lunch

3. When we got out of the office, the light had gone

4. By the time we started our work, she had explained everything clearly

5. Before my mother came home, my father had watered all the plants in the garden 

1. came - had finished

2. haven't met

3. went -  had read

4. hasn't worn

5. had started

6. listened - had done

7. had gone - went

8. had lived

9. had studied - did.

Chúc bạn học tốt nha!