Wash your hands ______ you eat something.

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问题 Wash your hands ______ you eat something.

选项 A、as
B、before
C、when

答案B

解析一般来说，应该在吃东西之前洗手，而不是在吃东西时去洗手。

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本试题收录于：公共英语一级笔试题库公共英语（PETS）分类

公共英语一级笔试

公共英语（PETS）

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Wash your hands ______ you eat something.

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