第六个为什么填seated不是seating,求仔细讲解

第六个为什么填seated不是seating,求仔细讲解 这句话里为什么用seated而不用seating? Please remain--------?为什么答案是seated而不是seating?remain seating不 remain seating 和remain seated remain seating和 remain seated Seating和Seated的用法 I found him_in an armchair.A:seated B:seating.选哪个,为什么? 求大神讲解,为什么不是等于零? 勾股定理计算求仔细讲解 第六题求讲解  please remain _____ (seat) 为什么填seated啊? seating