( )The famous singer was listened _______in the next room.

问题描述:

( )The famous singer was listened _______in the next room.
A.to sing
B.singing
C.to to sing
D.sung
理由啊

答案是C:
是动词的用法,如果是was heard(听见),那么肯定是singing.
这句话谓语是listen to 的被动语态,第一个to 是介词,是listen 要求的.之后的解释是:歌手被(人们)听着去唱歌,是listen to sb.to do something.变成被动