Food safety is important. Rules to stop people from food pollution.A. must make B. must be made C. can make D. can be made 题目和参考答案——青夏教育精英家教网—

题目内容

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

A. must make B. must be made

C. can make D. can be made

【解析】

试题分析：句意：食品安全是重要的。制度必须制定来阻止人们污染食品。前句说道食品安全重要，因此必须制定制度，排除C和D；rules做主语应用被动语态，故选B。

考点：考查动词的用法。

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