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1.Can shehave(have) to clean the classroom today?

分析 她今天必须打扫教室吗?

解答 答案:have.考查单词填空.句意"她今天必须打扫教室吗?".原句是一般疑问句,情态动词Can开头,后谓语动词用原形have.have to不得不、必须.答案是have.

点评 单词填空类型题要充分理解句意,再根据单词提示完成试题,注意时态,单复数,词性等变化.

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