BÀI TẬP 2
Đáp án: 1. A (who => whom)
2. B (whom=> who)
3. C (his => whose)
4. D (living => lives/ is living)
5. C (repeating => to repeat)
6. B (that => which)
7. C (whose => whom/that)
8. C (are => is vì chủ ngữ là every student)
9. C (whom=> who)
10. A (about who =>about whom)
11. D (bỏ on)
12. C (when => why)
13. C (bỏ she)
14. D (when => which)
15. B (where => when)