加to。listen是不及物动词，所以后面不能直接加一个名词music，必须接一个介词to才可以再接名词。即listen to music，意思是听音乐。Listen做动词意思是“（注意地）听；倾听；听信；听从；（让对方注意）听着，注意听”名词含义是“听”。
listen造句
1、Now listen, Hummingbird.
2、So listen to your body.
3、It should listen on port 80.
4、But if you can hear me, listen.
5、I often listen in to music programs.
6、They listen more than they talk.
7、Shh! Everybody, listen to my speaking.
8、When conversing with someone, learn to not only listen, but listen actively.
9、Don't prod; carefully listen to what they say.
10、I like to listen to music. I collect records.