关于seat的用法
问题描述：
关于seat的用法
The newcomers____in the classroom began to talk even they didn't know each other.
为什么填seated 而不是seat themselves?
答
句子的谓语是began,seated属于主语部分,因而只能是过去分词短语做定语.如果用seat themselves就得用and来连接.