——Must I send my uncle an e-mail now, Dad?——No, you ____.You____ do that after you finish your homework.

题型：单选题题类：模拟题难易度：普通

——Must I send my uncle an e-mail now, Dad?
——No, you ____.You____ do that after you finish your homework.

A、couldn't; may B、can't; can C、needn't; can D、may not; must

举一反三

—Sorry, I . I've promised Mum to go home right after school.

—Yes, we _________ take it seriously.

—No. It be her. She has gone to the teachers' office.

— Yes, you_________________. But you ______________ be back by 10:00 p.m.

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