Bộ 4 Đề thi Tiếng Anh 12 Học kì 2 có đáp án (Đề 2)

Mark the letter A, B, C or D to indicate the correct answer: It was not until he

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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.

It was not until he failed the final examination _____ he realized how important the revision was.

that

who

what

and

Giải thích

Đáp án A.