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