Question III. Choose the letter A, B, C or D which is closest in meaning to each of the following questions

Câu hỏi

They have tested all the machines before using.

A. All the machines have tested before using.

B. All the machines have been testing before using.

C. All the machines have been tested before using.

D. All the machines had been tested before using.

Đáp án
C. All the machines have been tested before using.

Câu hỏi thuộc Bài tập:

LAI CHÂU - ĐỀ THI TUYỂN SINH VÀO LỚP 10 THPT NĂM HỌC 2023-2024