Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions . Trả lời câu hỏi dưới đây:“If only we_________ about this service before!”
Câu hỏi
Nhận biết
Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions .
Trả lời câu hỏi dưới đây:
“If only we_________ about this service before!”
A.
had known
B.
knew
C.
could know
D.
could have known
Đáp án đúng: A
Lời giải của Luyện Tập 365
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