被动语态（两道，在线）

some new songs are going to be written by the popular singer
2.the MP3 on the desk was taken away by someone

some new songs will be written by the popular singer.
the MP3 which/that on the desk was taken away by someone
which/that不能被省略,因为他们充当主语

Some new songs will be written by the popular singer.
The MP3 was taken on the desk.

some new songs are going to be writen by the popular singer
the MP3 on the desk is taken away by someone.

the popular singer is going to write some new songs

改为被动语态 Some new songs were going to be written by the popular singer.

someone took away the MP3 on the desk.
改为被动语态The MP3 on the desk was taken away by someone.

some new songs are going to be writed by the popular singer

the MP3 on the desk was taken away
by someone