how sweet the music ()!应该填sound to 还是sound?

问题描述:

how sweet the music ()!应该填sound to 还是sound?
Ladies and gentlemen,please remain __________ until the plane has come to a complete stop.
A.seated B.seating C.to seat D.seat,为什么填seated?固定词组里remain只能和seat的过去分词搭配吗?

这里seated表示人坐着的状态
不一定只和seated搭配
he still remains seating himself.那这里为什么不用v-ing形式,第一题呢?