— Could you come to my party tomorrow afternoon?— Sorry, I _______. I take care of my little sister.

题型：单选题题类：常考题难易度：普通

江苏省扬州市江都区2015-2016学年七年级下学期期末考试英语测试

— Could you come to my party tomorrow afternoon?

— Sorry, I _______. I take care of my little sister.

A、couldn't; have to B、can't; may C、can't; have to D、couldn't; may

举一反三

—The coat __________be Mary's. It's for men.

—It ______ be rainy or cloudy. I guess.

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