Ioftenheardhersongsinherroom.A.singB.sangC.singingD.sings

Question

I often heard her __songs in her room.A.sing B.sang C.singing D.sings

Answer 1

I often heard her （C.singing） songs in her room.
我经常听到她在自己的房间里唱歌.
hear sb do\doing sth,听到某人做了（或正在做）某事,这里是强调正在进行的,要用doing形式.