……… it with my own eyes, I would never have believed it. Provided I had seen

Câu hỏi :

……… it with my own eyes, I would never have believed it.

A. Provided I had seen

B. Had I not seen

C. Unless I had not seen

D. If I had seen

* Đáp án

* Hướng dẫn giải

Đáp án : B

“Had I not seen” = “If I hadn’t seen”

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