What a what fun it is to listen music...

----------it is to listen to music A How fun B How a fun C Whae a fun D What fun \u9009\u4ec0\u4e48

\u81ea\u7136\u9009D

fun \u662f\u4e0d\u53ef\u6570\u540d\u8bcd\uff0c\u6709\u8da3\u7684\u4e8b\uff0c\u6240\u4ee5\u7528what\u4fee\u9970\u3002\u7528funny\u4e0d\u6070\u5f53\uff0c\u6ed1\u7a3d\u7684\uff0c\u53ef\u7b11\u7684\u3002

填: fun...to listen

fun在此句中作形容词,修饰time

a fun time 美妙的时光/好玩儿

这是一个省略了主语和谓动的感叹句,补充完整为:

What a fun time (it is) to listen to music.

其中it作形式主语,不定式作真正的主语. 因此第二空填:to listen.

句意: 听音乐多么美妙啊!

扩展阅读：what a lovely girl ... what a和how的区别 ... willow primary school ... what'swhat's up ... what a lovely dog ... what a wonderful world ... message ... what about you ... boring ...