he looked at his grade and slumped in his seat 这是不是过去完成式

he looked at his grade and slumped in his seat 这是不是过去完成式 his father looked ( ) at me.he looked ( ) （ ）He looked _____ the room and _____ a seat.A.at,see B.in,s He ____his eyes from his desk and then____from his seat. 英语翻译Every few minutes he looked at his watch,and at last,whe he looked at me in surprise with his mouth open 这里的in surpri Jess really felt very happy. When he arrived at his seat in He sat in his ___（usually）seat at the back. He sat rooted in his seat.请问这句中的rooted用过去分词是个什么用法?为什么选过去分词? Tom is in Grade One,his mother and he are in the same class. (1/5)1.He looked at the envelope and ____ his father’s handw 英语翻译He rolled over and looked at his clock 这句中 rolled