The preparations_______by the time the guests_________.

Câu hỏi :

Mark the letter A, B, c or D on your answer sheet to indi cate the correct answer to each of the following questions
The preparations_______by the time the guests_________.

A. had been finished/ arrived

B. have finished/ arrived

C. had finished/ were arriving

D. have been finished/ were arrived

* Đáp án

* Hướng dẫn giải

Đáp án là A. cấu trúc: By the time + QKĐG , QKHT. Trước khi .... , diễn tả một hành động kết thúc thì có hành động khác xảy ra.

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