If you want better grades , you _ _ watch so much TV.

题型：单选题题类：常考题难易度：普通

云南省洱源县乔后初级中学2018届九年级上册英语期中考试试卷

A、shouldn't B、should C、could D、must

举一反三

—- It ______ be hers. She sold her car yesterday.

一． But I can play the piano．

—Because it has caused lots of pollution. We need better environment.

—No, you ________. It's too dangerous.

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