（2015•四川达州）—Whose bag is this？—I'm not sure. It be Flora's.

题型：单选题题类：真题难易度：普通

—Whose bag is this？—I'm not sure. It 　　　　 be Flora's.

A、might B、can't C、must D、need

举一反三

— Must we hand in the exercise-books today?

— No, you {#blank#}1{#/blank#}.

—It ________________ be Thomas. He has gone to Europe.

—It ______ be him. He is ill in hospital.

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