Frank Sinatra caught the flu because he (sing)__________ in the rain too long.
A. had been singing
B. had sang
C. had sung
D. had singing
Ta thấy trong câu co 2 sự kiện xảy ra trong quá khứ:Frak Sinatra bj cảm bởi vì hát dưới mưa. Như vậy, hành động hát dưới mưa xảy ra trước hành động bị cảm.
Như vậy, ta phải chia thì quá khứ hoàn thành với sự việc xảy ra trước.
Cấu trúc: S + had Vp2
=>Frank Sinatra caught the flu because he had sung in the rain too long.
Tạm dịch: Frank Sinatra bị cúm vì đã hát dưới mưa quá lâu.
Đáp án cần chọn là: C
He (drive) __________less than an hour when he ran out of petrol.
How long (learn / she)_________ English before she went to London?
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.
The flood ___________ all the beautiful building in our cities this time last month.