Rewrite sentences without changing the meaning
Question: If you don’t use much water, you will save the environment.
A. You don’t use much water will save the environment.
B. Unless you use much water, you will save the environment.
C. If not use much water, you will save the environment.
D. Using much water can cause to save the environment.
Đáp án: B
Giải thích: If+ Mệnh đề (phủ định) = Unless+ Mệnh đề (khẳng định)
Dịch: Nếu bạn không sử dụng quá nhiều nước, bạn sẽ bảo vệ mội trường.