来源：学生作业帮 编辑：作业帮 分类：英语作业 时间：2024/10/01 20:45:37
4 if / wheter they can
5 if / whether ,are playing
6 if / whether he had finished
7 how many people you can see
8 where she parked
9 what he ,talked
10 who knocked
注意时态和引导词,注4-6 再答： 4-6 是一般疑问句变宾语从句，引导词可用if 或 whether，意思都是“ 是否‘
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