I often hear her sing in the next room.We must repair the computer now.（都改为被动语态）
问题描述：
I often hear her sing in the next room.We must repair the computer now.
（都改为被动语态）
答
Her singing in the next rooom is often heard by me
The computer must be repaired by us now
保证正确~分给我吧
答
She is often heard sing in the next room (by me).
The computer must be repaired now (by us).
答
I often hear her sing in the next room.改为被动：She is often heard to sing in the next room by me.
We must repair the computer now.改为被动： The computer must be repaired by us now