高档男用器具图片:英语填空!!!!!!!!!

来源:百度文库 编辑:杭州交通信息网 时间:2024/05/09 07:46:31
we often hear teenagers____ pop songs instead of Peking Opera
A sing
B to sing
C singing
请告诉我为什么,谢谢大家!!!!

A
hear后面只能跟do或doing,B错
因为有often,并不强调正在唱,所以用sing

A sing
hear 后面一般用动词原式.