If it ... for the heavy storm, the accident would not have happened

22/50

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

If it _________ for the heavy storm, the accident would not have happened.

weren't

isn't

hadn't been

were

Giải thích

Đáp án C

Mệnh đề if: Chủ ngữ + had + PII

Mệnh đề chính: Chủ ngữ + would have + PII

Tạm dịch: Nếu không phải vì cơn bão lớn, tai nạn đã không xảy ra.