PRACTICE TEST 6- Đại từ nhân xưng, Đại từ sở hữu và Đại từ phản thân

_______ that problem with the car, we wouldn’t have missed the speech. A. If we had had B. If had we had C. Unless we had had D. Provided that we had had

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_______ that problem with the car, we wouldn’t have missed the speech.

If we had had

If had we had

Unless we had had

Provided that we had had

Giải thích

Chọn đáp án C