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Câu hỏi: Mark the letter A, B, C, or D to indicate the correct answer to each of the following questions.
If I __________ you were going to the post office, I would have asked you to buy me some stamps.
A. knew
B. have known
C. had known
D. know
If I __________ you were going to the post office, I would have asked you to buy me some stamps.
A. knew
B. have known
C. had known
D. know
Kỹ năng: Dịch
Giải thích:
Câu điều kiện loại 3
Giải thích:
Câu điều kiện loại 3
Đáp án C.