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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!”

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each

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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