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题型：单选题题类：常考题难易度：普通

四川省师范大学附属中学2017-2018学年九年级上学期英语Unit 7 Section B同步习题

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

A、must make B、must be made C、can't be made

举一反三

—What's the meaning of the activity “Let's Save”?

—Paper shouldn't in everyday life.

Homework _____ on time.

Teenagers _________ their own decisions.

Our room must clean.

—What should we do first if we want to develop our village？

—A lot of roads must be {#blank#}1{#/blank#}(build), I think.

Waste paper shouldn't be t{#blank#}1{#/blank#} everywhere. It's our duty to keep our city clean.

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