Because the highway system was built 40 years ago , most of the roads now

5/50

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.

Because the highway system was built 40 years ago , most of the roads now need to repair.

Because

was built

most of

to repair

Giải thích

Đáp án D

“to repair” → “to be repaired”

Chủ ngữ trong vế câu này là vật (roads) nên phải chia động từ ở dạng bị động (need to be done: cần được làm gì)