( ) are kind to us. A.All our teachers B.All of teachers c.our teachers all应选哪个填到括号内?呵呵,帮忙把语法讲清楚

问题描述:

( ) are kind to us. A.All our teachers B.All of teachers c.our teachers all
应选哪个填到括号内?
呵呵,帮忙把语法讲清楚