100 câu trắc nghiệm Câu điều kiện có đáp án (Phần 2)
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If he had been more careful, he ……………………….. an accident.

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If he had been more careful, he ……………………….. an accident.

would not have had

will not have

does not have

would not have

Giải thích

Chọn đáp án A