来源：学生作业帮 编辑：大师作文网作业帮 分类：英语作业 时间：2024/11/11 21:03:56
leave为什么加ing 形式
At some fast food restaurants,people can order their food,pay for it and eat it without leaving their cars.
without是介词 后面要加名词性质的词 leave是动词 所以要把它变成动名词 也就是加ing 所以是leaving
without 后的动词都应做此变化.
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