Don’t forget to wash your hands you have meals. A．beforeB．untilC．thoughD．unless 题目和参考答案——青夏教育精英家教网——

题目内容

Don’t forget to wash your hands _________ you have meals.

A．before

B．until

C．though

D．unless

A

连词的用法。根据句意和常识，应为“饭前洗手”，用连词before表达“在…之前”。

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