— Look! It _______ be Jack on the playground.—It _______ be him. I saw him enter the school library just now.

题型：单选题题类：常考题难易度：普通

山东宁津县育新中学2016-2017学年八年级上册英语第二次月考卷

— Look! It _______ be Jack on the playground.

—It _______ be him. I saw him enter the school library just now.

A、must; mustn't B、can; can't C、may; mustn't D、must; can't

举一反三

You {#blank#}1{#/blank#} hurry. There is still half an hour before the train leaves.

—Yes, you . But you keep it clean.

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