What must one do if he wants to learn another language well?What must one do if he wants to learn another language well?
问题描述：
What must one do if he wants to learn another language well?
What must one do if he wants to learn another language well?
答
如果一个人想要学好另外一种语言,那他必须干些什么?
这是一个典型的由if引导的条件状语从句.
主情从现.