Try to work hard. Otherwise, you will fail the final exam. A. Unless you try to work hard, you will fail the final exam. B. Unless you don't try to work hard, you will fail the final exam. C

50/50

Try to work hard. Otherwise, you will fail the final exam.

Unless you try to work hard, you will fail the final exam.

Unless you don't try to work hard, you will fail the final exam.

If you try to work hard, you will fail the final exam.

As long as you try to work hard, you will fail the final exam.

Giải thích

Đáp án đúng: A

Cả “otherwise” và “unless” đều là biến thể của “If … not”: nếu không … thì

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