(you / have) breakfast before you came here?
A. Had had you
B. Had you had
C. Did you have
D. Do you have
Dấu hiệu: before she moved =>mệnh đề phía trước “before” diễn tả một sự việc xảy ra trước một thời điểm trong quá khứ nên ta sử dụng thì quá khứ hoàn thành
Cấu trúc: Had + S + Vp2?
=>Had you had breakfast before you came here?
Tạm dịch: Bạn đã ăn sáng trước khi đến đây chưa?
Đáp án cần chọn là: B
Frank Sinatra caught the flu because he (sing)__________ in the rain too long.
How long (learn / she)_________ English before she went to London?
He (drive) __________less than an hour when he ran out of petrol.
One of the parents _____________ the children's song this time last year.
I ______ my document before the power went out in the computer lab.
As soon as I shut the front door I realised that I………….my key in the house.
Marry _________ her housework already by the time Peter came over.
The doctor took off the plaster that he (put on)_________ six weeks before.