问题描述:
Everybody learns his own language by remembering what he hears when he_______a small child.
Everybody learns his own language by remembering what he hears when he_______(be)a small child.
为什么?
Everybody learns his own language by remembering what he hears when he_______(be)a small child.
为什么?
问题解答:
我来补答展开全文阅读