30 đề thi thử thpt quốc gia tiếng anh năm 2020 cực hay có lời giải (Đề số 9)

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

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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.

may forget

can't have forgotten

must have forgotten

must forget

Giải thích

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