一个语法问题,is to teach people.

一个语法问题,is to teach people. 一个语法问题 which is most important to you in deciding what to bu 请问一个语法问题；English is hard to study,to study 在句中作什么状语啊 to teach is my job 一个简单的语法问题No gain is too slight to brother with 英语的一个语法问题it is difficult to the point of impossibility for X the teacher is( )English teach/to teach/teaching/teaches ' To teach another is to learn yourself therefore to teach is to learn and to learn is to teach My friend teach English to me.这句话语法对吗 volleyball is very interesting to watch的语法问题? the important thing is to save lives.的 语法问题