Today Chinese is becoming more and more popular.It__in many schools around the world

问题描述:

Today Chinese is becoming more and more popular.It__in many schools around the world
A.teachesB.is teaching C.has taught D.is taught
为什么不能是C呢?
正确答案是:

D,被动语态.现今,汉语越来越流行,在全世界各地的学校都(被)教