IV. Choose the underline word or phrase (marked A, B, C or D) in each sentence that needs correcting.

Câu hỏi

They must turn on at 7.30 a. m. in order that their trip can start on time.

A. on

B. in

C. their

D. start

Đáp án
A. on

Câu hỏi thuộc Bài tập:

Tiếng Anh 9-Unit 1