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

45/50

Mark the letter A, B, C, or D on your answer sheet to show the underlined part that needs correction

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

Because A. Because

was built

most of

to repair

Giải thích

Chủ ngữ trong mệnh đề là “ the roads” (những con đường)- cần phải được sửa chữa=> bị động

Need Ving= need to be P2

Đáp án D. Sửa thành “ repairing”/ “to be repaired”