Question

She is heard_______ every day in her room.

A．sings

B．sing

C．to sing

D．singing

Answer 1

C

试题分析：每天都能听到她在她的房间里面唱歌。Hear后接不带to的不定式做宾语补足，但是当变为被动语态时，要把不定式符号to加上，故选C。