John____ come to see us tonight, but he isn't very sure yet.

题型：单选题题类：常考题难易度：普通

牛津深圳版英语七年级下册Unit 6 Electricity 单元测试.

A、may B、can C、has to D、must

举一反三

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

— It ________ be him. He has gone to New York on business.

—It ________ be Linda's. She loves volleyball.

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