When he entered the classroom,he was some parenrs ___ at the back_英语解答

When he entered the classroom,he was some parenrs ___ at the back of it.
为什么用seated不用seating
打错了，应该是he saw some parents ___ at the back of it.

人气：122 ℃　时间：2020-05-14 05:21:29

解答

be seated 表示就坐的意思.原题：When he entered the classroom,he saw some parents seated at the back of it.因为seat 当动词用是使…就坐.原句seat 没有宾语部分,所以用过去分词.如果是sit ,则用sitting....