Câu hỏi:
22/07/2024 409Choose the best answer
I ______ my document before the power went out in the computer lab.
A. had save
B. have saved
C. had saved
D. saved
Trả lời:
Dấu hiệu: before the power went out =>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: S + had Vp2
=>I had saved my document before the power went out in the computer lab.
Tạm dịch: Tôi đã lưu tài liệu của mình trước khi mất điện trong phòng máy tính.
Đáp án cần chọn là: C
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