题目内容：

He went shopping with his mother. 为什么要用shopping

优质解答

你好~ 很高兴能为你解答疑惑. go shopping 是固定用法,在英语中约定俗成,就好比中国的成语.类似的还有：go swimming,go skating等. 希望我的回答能够帮助到你.—————————————————...