Helping others is a habit ,()you can learn even at an early age.A. what B.one 答案说选B.说用wha

问题描述:

Helping others is a habit ,()you can learn even at an early age.A. what B.one 答案说选B.说用wha
答案说用what句子成分就不全了,为什么啊? 帮忙分析一下,好了就加分。快来人啊

one是指habit,后面的you can learn ...是one 定语,合起来是habit 的同位语.