sit、seat、sitting、seating的用法问题___in the chair,Mary was lost in thought.A.Seated B.Seating C.Having seated D.Being seated.怎么分析?

the bus was so crowed that l couldn’t find a seat——A.to sit B.to sit on C.which can sit D.for sitting I have not decided which seat ______.A.to sit B.is to sit C.to sit on D.is for sitting理由？ sit seat 用法 关系? 怎么区别sit seat 英语选择题The professor welcomed us and asked me to __ myself.A sit B seat C sitting D seating 1.Would you mind __here with you?a.my sit b.my sitting c,me sit d.my seat请解释为什么选B sit oneself 还是seat oneself be seat等于sit吗? be seat等于sit吗 (1)Have you seen the girl_____in the corner A sit B sitting C seat D seating(2)Did you notice the girl_____in the corner A sit B sat C seated D seating有人给的答案 1 B 2 C为什么 请细讲,以及sit sitting seat(作及物动词） seated 的 sit、seat、sitting、seating的用法问题___in the chair,Mary was lost in thought.A.Seated B.Seating C.Having seated D.Being seated.怎么分析? In the lecture room ___ many students reading their books (sit)为什么用SAT而不用SITTING 如果用SEAT用什么行首呢 That's my().Please () here. A.seat,sit B.sit,sit C.sit,seat be in bed,be asleep,go to bed,go to sleep,fall asleep,sleep的区别是什么?还有seat,seated,sitting,sit,a seat,seats的区别~感激不尽…… They would put it beside bed at night,on the seat when(.)in a car or on a bus.A.Sit B.sat C.sitting D.would sit选什么?为什么? in the reading room,we found her ___at a desk,with her attention ___on a book.A:sitting,fixingB:to sit,fixedC:seating,fixingD:seated,fixed为什么？并且sit和seat之间有什么区别？ sit和seat用法区别相同不同? sit和seat的用法和区别