— It seems that Mr. Wu is standing there.— It ______ be him because he called me from Canada just now.

题型：单选题题类：模拟题难易度：普通

— It seems that Mr. Wu is standing there.
— It ______ be him because he called me from Canada just now.

A、mustn't B、can't C、needn't D、shouldn't

举一反三

— Yes, you must.

—Sorry, I_______. I take care of my little sister because my mother is out.

—I don't know. I _____ go or I_____ stay at home.

—No, it ________ be Mr Brown. He went to London this morning.

—It ________ be her. She has gone abroad.

You {#blank#}1{#/blank#} answer the telephone in class.

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