in summer,we often go swimming 为什么swim要加ing?
问题描述:
in summer,we often go swimming 为什么swim要加ing?
答
go shopping, go swimming, go hiking, go +动词ing 是固定短语.
in summer,we often go swimming 为什么swim要加ing?
go shopping, go swimming, go hiking, go +动词ing 是固定短语.