Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions You mustn’t have seen Linda, for she has left for

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Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions

You mustn’t have seen Linda, for she has left for Australia for almost 2 months

mustn’t have seen

for

almost

Giải thích

Đáp án A

mustn’t have seen can’t/couldn’t have seen (không được dùng mustn’t trong câu suy đoán về quá khứ)