The girl is often listened to-songs in the next room.

D
practise doing sth 固定用法‘ 练习做某事’
对,有这个用法；listen to sb to do sth
祝你假期愉快!加油!不明白再问!
再问： Soon they saw the two strangers _in the crowd. A,disappear B.to disappear Cdisappearing Ddisappeared 这道呢？
再答： see sb do sth指动作已结束 see sb doing sth 指动作正在进行 根据句意应该是A