Jane wasn't in when I arrived. I suppose she________I was coming.

Câu hỏi :

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Jane wasn't in when I arrived. I suppose she________I was coming.

A. may forget

B. can't have forgotten

C. must have forgotten

D. must forget

* Đáp án

* Hướng dẫn giải

Đáp án là C. must have p2: dạng phỏng đoán trong quá khứ: chắc đã làm gì

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