300 Câu trắc nghiệm tiếng Anh tìm lỗi sai có đáp án - Phần 10

Unless there had been a heavy storm, the climbers will not have died.

1/30

Unless there had been a heavy storm, the climbers will not have died.

Unless

had been

heavy

will

Giải thích

Chọn đáp án Dwill => would
Giải thích: câu điều kiện loại 3: If S had been PII, S would have PII