I saw him while he was crossing the street 与 He was crossing the street when i saw him 有什么区别

while he was looking for me,i saw him first.同义:_____he was looking for me,i saw him_____he could_____me. I saw him while he was crossing the street 与 He was crossing the street when i saw him 有什么区别 while he was looking for me i saw him first同义句___he was looking for me i saw him____he could ___ me he was play tennis when I saw him 改错 While he was looking for me,I saw him first.同义句____he was looking for me,I saw him ___ before could____ me.我填的是When,before,see对吗?题目打错了多了一个before____he was looking for me,I saw him ___ could____ me. 改错：1.They will arrive the town in half an hour.2.How careful he is writing 3.He was sleeping while I saw him.4.I am better in reading than listening I want to see how much he ___(change)ever since I saw him last time the moment i saw him smile ,i know he is my style.翻译 The moment I saw him smile ,I know he is my style.翻译 what was he doing ______ you saw him last night如题.a.while b.when c.before d.after 是用when么?怎么不是while Yesterday,I went to a booking officeYesterday,I went to a booking office to buy ticket.I was about to leave while I saw a foreigner in trouble.He stood there,worrying.I went up and asked what was wrong with him.He said that he wants to buy a ticket t I found him clever.----------------We saw six policemen.The policemen were standing around the man.I saw him.He was playing the piano.The thief stole my purse.--------------- 改错.He mustn't be at home.I saw him here just now. 就括号部分提问he (was picking cotton) last time i saw him. he( )not be there.I saw him in you home just now I turned to face him and smiled despite his expression was torn when he saw me. 改错：For the first time I saw him,he was only a little boy _________________________初中英语He was planting the tree when I saw him.改为一般疑问句