Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions Most guests __________ the party by the time we came

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

A. leave 

B. left 

C. leaves 

D. had left 

* Đáp án

D

* Hướng dẫn giải

. Đáp án D

Cấu trúc: S + had + PP + by the time + S + V(past)

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