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Câu hỏi: Mark the letter A, B, C or D on your answer sheet to indicate the sentence that is closest In meaning to each of the following questions.
It isn't necessary for you to turn off the lights before going out.
A. You must not turn off the lights before going out.
B. You don't have to turn off the lights before going out.
C. Turn off the lights before going out.
D. Turn off the lights whenever you go out.
It isn't necessary for you to turn off the lights before going out.
A. You must not turn off the lights before going out.
B. You don't have to turn off the lights before going out.
C. Turn off the lights before going out.
D. Turn off the lights whenever you go out.
3 phương án A, C và D cho nghĩa không phù hợp với câu cho sẵn
Đáp án B.