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

Câu hỏi :

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

A. Because

B. was built

C. most of

D. to repair

* Đáp án

D

* Hướng dẫn giải

Đáp án D

To repair => repairing hoặc to be repaired

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