（2016•镇江）—Could you go to the bookshop with me? I want to buy The Grass House by Cao Wenxuan.—Sorry, I . I've promised Mum to go home right after school.

题型：单选题题类：真题难易度：普通

—Could you go to the bookshop with me? I want to buy The Grass House by Cao Wenxuan.

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

A . can't B . couldn't C . needn't D . mustn't

【考点】

【答案】

【解析】

组卷次数：61次 +选题

举一反三

—I've no idea. She be in the science lab.

—It tells us that we do almost anything if we never give up.

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