Mary has a good voice.l often hear her————— on her room?横线里填什么?好的话我会额外加的

分类: 作业答案 • 2022-01-21 22:24:29

问题描述：

答

singing
Mary has a good voice.l often hear her (singing) on her room
玛丽声音很好听,我总是听见她在她房里唱歌.
on her room 没有这样的说法,应该是 in her room .