I often hear her _____ (sing)in the next room last year.为什么不能用singing?

I often hear her （）in her room . Ato sing BsingingI often hear her （）in her room .Ato singBsingingCsingDsings i often hear her sing a song变被动句 I often hear her sing this songsing不用第三人称单数吗?为什么不是时间是I often hear her sings this song I often hear her _____ (sing)in the next room last year.为什么不能用singing? I often hear her _(sing) in the morning ,填什么?为什么 I often hear her ()english songsA sing B for singing C sings I often ____(listen to,hear) her reading in the room.急 I often hear from my pen pal .I often ____ ____ ___ ____ my pen pal .I often __ __ __ __ my penpal I‘ve often heard her sing this song.与I often hear her sing this song.使用了完成时态,有什么不同的吗? you her do hear often singyou her do hear often sing连问句 I often give a book to her as a present.(对her提问) ___ ___ ____often___a book as a present___? 将下列句子翻译成被动语态I often hear her play the piano.I heard her playing the piano just now.I watch them play the game. I often hear her ____________after class.A.to sing B.sang C.sing D.sings 为什么不是D I often hear the lonely girl sing in her room为什么中间用sing而不用sings啊 I often hear her sing in the next room.We must repair the computer now.（都改为被动语态） I often hear the little girl ___(cry)in the morning.hear后面要不要加doing? 为什么不填crying？？ we often hear her singsing songs next door 改被动 It's possible for her _(not join) his party,because she is tird of him.I often hear the girl _(play) the violin in her room.Can you hear her _(play) at the moment?