He ______ sing English songs.A.is often heard to B.is often heard_英语解答

He ______ sing English songs.
A.is often heard to B.is often heard C.often hears D.is often hering 选哪个?为什么?句子意思是?

人气：308 ℃　时间：2019-12-19 06:10:46

解答

A
sb be heard to do 这是被动的形式
(区别与hear sb do sth 这是主动的）
(hear感官动词用作被动语态中务必要加to)