He was about to go out for a walk _____ it begin to rain.a.when b.while c.as选B 为什么?A.C 为何不可 他们将要出去的时候就开始下雨了,应该都是瞬间动词,为什么不选when呢?as又怎么不对?

He was thinking about _____(go) shopping He was about to go to bed when the bell rang. Do you know when he came back?Yes.At about twelve.I was just about to go to bed.翻译 as i was about to go 改错：He thought about go to Greece. He was about to go to bed__the door bell rang.A.while B.as C.before D.when billmade about $70 eath month and he was saving some of the money to go to college .中文翻译 急 He was about to go to bed ____ there was a knock on the door.空中填什么?能不能说说填的词有什么相应的知识点? He met her in the doorway just as she ____________ to go away. A. was about. B. was on the.He met her in the doorway just as she ____________ to go away.A. was about. B.was on the point of. C. was going. D.was为什么C不行! i was about go to sleep my mother telephoned me. it was said that he-------[choose]to go to tibet Jack was sick so he （ ）to go to hospital He thinks about _____(go) to Qingdao for a holiday He was about to go out for a walk _____ it begin to rain.a.when b.while c.as选B 为什么?A.C 为何不可 O.Henry was a great writer．His pen name was O.Henry,his real name was William Sydney Porter．He was born in North Carolina in 1862．When he was about 20 years old,O.Henry went to Texas,where he tried different jobs．He first worked on a newspape be going to 与be about to 区别yesterday morning he （ ）go out （ ）someone knocked at the door.A.was about to ；when B.was going to ；when 我知道为什么选A 但我很想知道B错的理由以及was about to 属于什么时态?was going 英语翻译W:Well,he hasn't been himself lately.M:Is he still upset about the job?W:Yes,he was really disappointed.M:He can't go on being depressed forever .He has to start looking for something else. He was about to stop the match when th