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she has already collected some material,but she doesn't know

来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/09/29 23:25:14
she has already collected some material,but she doesn't know ()next
A,what to do B how to do C what should she do D how she should do
选A,know what to do next,知道接下来干什么.
CD的正确用法是what she should do next,对照这个,CD不正确