_a teacher,I should teach you how to tell what is right and what is wrong

问题描述:

_a teacher,I should teach you how to tell what is right and what is wrong
A.because B./ C.as D.when

答案:C as (作为一个老师,我应该教你如何辨别对错)
as的用法;
as可以作连词、介词及关系代词;一、as作连词的用法:;1.作"当……的时候",引导;②while常表示一段较长的时间或一个过程,强调;Workwhileyouwork.Playwhi;③但属下列情形时,只用as,而不用when或wh;A)用于表示同一个人的两种动作交替进行,指&qu;Helookedbehindfromt
as引导的介词短语大多用作状语,as译为"作为";
She works as a doctor
希望你能学会as 的用法.