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travel为什么要变成travelling?People travelling on business can go

来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/07/19 01:35:35
travel为什么要变成travelling?People travelling on business can go to the Internet cafe and contact
People___on business can go to the Internet café and contact the office if they need to send a report or get information.这里为什么要用travelling?
一句话中只能有一个谓语动词,travelling on business 做people的后置定语,出差的人如何如何