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John is busy now ,for he is _____ for the final examination.A.preparing B.to prepare C.prepares

分类: 作业答案 • 2021-12-29 16:45:11

问题描述：

John is busy now ,for he is _____ for the final examination.A.preparing B.to prepare C.prepares

答

A be prepared for 为.做准备根据题意表示正在进行的动作所以选A