Nick is quite ready for the exam. It looks as if he (prepare) ____________ everything.
A. prepare
B. prepared
C. had prepared
D. preparing
Xét ngữ cảnh của câu , hành động prepare đã xảy ra nên ta dùng cấu trúc giả định As if ở quá khứ
Cấu trúc: It looked as if + S + had +Ved
=>Nick is quite ready for the exam. It looks as if he had prepared everything.
Tạm dịch: Nick đã khá sẵn sàng cho kỳ thi. Có vẻ như anh ấy đã chuẩn bị mọi thứ.
Đáp án cần chọn là: C
Choose the best answer.
The doctor suggested that his patient______.
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