Câu hỏi:
16/08/2022 1,404Pham Tuan said everything quite strange although he ……….. when he was on the ground.
A. prepared
B. has prepared
C. had prepared
D. prepared
Trả lời:
Giải bởi Vietjack
Đáp án: C
Giải thích: Hành động xảy ra trước một hành động trong quá khứ
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