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Food safety is important. Rules ______ to stop people from food pollution.

A.must make B.must be made
C.can’t make D.can’t be made

B

解析试题分析:句意:食品安全很重要。必须制定措施保护人们远离食品污染。结合语境可知本句主语是动作对象,故用被动语态,含有情态动词的被动结构是情态动词加be 加动词的过去分词,根据句意,选B。
考点:考查被动语态。

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