Question III. Choose the letter A, B, C, or D which is closest in meaning to each of the following questions. (0.5pt)

21. 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.

22. Do exercise regularly and you will have better health.

A. If you do exercise regularly and you will have better health.

B. If you do exercise regularly, you will have better health.

C. If you did exercise regularly, you would have better health.

D. If you do exercise regularly, you will not have better health.

KỲ THI TUYỂN SINH LỚP 10 THPT TIẾNG ANH NĂM HỌC 2023-2024 - LAI CHÂU