If you don’t stop swimming in that lake, you will have a rash

If you don’t stop swimming in that lake, you will have a rash

A. Unless you don’t stop swimming in that lake, you will have a rash.

B. Unless you stop swimming in that lake, you will have a rash.

C. If you don’t keep swimming in that lake, you will have a rash.

D. Unless you keep stop swimming in that lake, you will have a rash.
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Đáp án: B
Giải thích: Unless = if…not…: nếu không, trừ phi
Stop Ving: ngừng làm gì >< keep Ving: cứ tiếp tục làm gì
Dịch: Nếu bạn không ngừng bơi ở cái hồ đó, bạn sẽ bị nổi mẩn ngứa đó