主动语态转换成被动语态 They can hear me singing in the next room._英语解答

主动语态转换成被动语态 They can hear me singing in the next room.

人气：193 ℃　时间：2019-12-10 00:27:23

解答

My singing can be heard by them in the next room.不需要用by什么的吗by them 加不加都行