after going to school ,he learns a lot of knowledge为什么用going
问题描述:
after going to school ,he learns a lot of knowledge为什么用going
答
after是介词,介词后面加动名词,就是动词ing形式
after going to school ,he learns a lot of knowledge为什么用going
after是介词,介词后面加动名词,就是动词ing形式