__ for the fact that he was working abroad, he would willingly have helped

Câu hỏi :

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

A. If it were

B. If it hadn’t been

C. were it to be

D. Hadn’t it been

* Đáp án

B

* Hướng dẫn giải

Đáp án B

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