Mark the letter A, B, C or D to indicate the underlined part that needs correction in each of the following questions. Câu 21. It was reported that a policeman was badly injured in the explosion. A. was reported B. a C. badly D. injured Câu 22. The Principal demanded that the heaters repair immediately. Winter is coming! A. The B. demanded C. repair D. is coming Câu 23. The accident seemed to have destroyed completely his confidence. A. The B. seemed C. to have D. destroyed completely

21. It was reported that a policeman was badly injured in the explosion.

A. was reported B. a C. badly D. injured

-> Không hợp về nghĩa, injure ám chỉ bị thương trong các vụ tai nạn giao thông

22. The Principal demanded that the heaters repair immediately. Winter is coming!

A. The B. demanded C. repair D. is coming

-> Có cụm: S1 demanded (that) S2 V (nguyên mẫu) : yêu cầu ai đó làm gì

Mà the heaters là vật -> bị động -> sửa thành be repaired

23. The accident seemed to have destroyed completely his confidence.

A. The B. seemed C. to have D. destroyed completely

-> completely là trạng từ đứng sau have, trước các động từ -> completely destroyed