The flood may rise higher. We have to move upstairs.
A. We'll have to move upstairs soon if the flood rises any higher.
B. Unless the flood rises any higher, we won't have to move upstairs.
C. If we don't move upstairs, the flood may rise higher.
D. We have to move upstairs in case the flood rises any higher.
Giải bởi Vietjack
Đáp án đúng là: A
Dịch: Chúng ta phải đi lên trên tầng trong trường hợp lũ lên cao
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