By the time Jason arrived to help, we moving everything. A. had already finished
By the time Jason arrived to help, we ________ moving everything.
A. had already finished
B. has already finished
C. already finished
D. already finish
By the time Jason arrived to help, we ________ moving everything.
A. had already finished
B. has already finished
C. already finished
D. already finish
Đáp án: A
Giải thích: By the time + S + Vqk, S + had Vp2: trước khi...thì...
Dịch: Trước khi Jason đến giúp đỡ, chúng tôi đã chuyển mọi thứ xong rồi.