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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.
I took a sweater but it was not necessary.
A. I needn't have taken a sweater.
B. It was too necessary for me to take a sweater.
C. I should have taken a sweater.
D. I must have taken a sweater.
I took a sweater but it was not necessary.
A. I needn't have taken a sweater.
B. It was too necessary for me to take a sweater.
C. I should have taken a sweater.
D. I must have taken a sweater.
not necessary = needn't
Đáp án A.