问题描述：
My English teacher told me that to leam a language well,I____it.
1.needed 2.need to use 3.need using 4.will need use
答案写的选2吖....为什么呢？
1.needed 2.need to use 3.need using 4.will need use
答案写的选2吖....为什么呢？
问题解答：
我来补答展开全文阅读