be seated,please为什么用be和加ed

be seated,please为什么用be和加ed Please be seated,ladies and gentlemen. Please be seated.的同义句是什么 She suffers from her ____(ill).2.Please let them ______(be)seated.为什么要这样做? Please be seated.的同义句是什么（英语耶） 一个英语小问题Ladies and gentlemen,please remain seated until the plane has come to a complete stop seated .为什么用ed式 I found him seated there,reading.为什么要用seated? Please remain seated 翻译? Please remain ( )until the plane has come to a complete stop.A to seat B.to be seated C.seating D.seated答案是D为什么不选A呢?讲讲 remain seated为什么有这种说法?be seated 是不是表被动?那被谁坐下? (3/3)为什么是 be seated.若seated 可以吗 不是说seat 后面没有宾语就用seated Please remain ______.The winner of the prize will be announced soon.A.seating B.seated C.to seat D.to be seated Please remain（）until the plane has come to a complete stop.A、to seat B、to be seated C、seating D、seated应该选哪个,说明原因 Please remain______ until the plane has come to a complete stop.A.seating B.to be seated.C.seated 正确答案是什么? 不是remain to Please remain until the plane has come to a complete stop.A.to seat B.to be seated C.seating D.seated I found my son seated in the study 为什么用seated? we found the two children seated on the floor------为什么用seated 而不用seating? so please be very quiet 中的be为什么这么用?