关于be about to...yesterday morning he （ ）go out （ ）someone knocked at the door.A.was about to ；whenB.was going to ；when答案是A 不是说be about to不和时间连用的吗? 题目有yesterday morning 啊! 解释说是be about

be to和be about to区别 nothing to be worry about be about to的用法 to be about+动词不定式 翻译：The money will be used to extend the ...The money will be used to extend the European Union-China near-zero emission coal program and other environmental protection projects, visiting British Prime Minister Gordon Brown said in Shanghai yest 关于be about to,will,be going to三者的区别,用法及辨析.要权威一点哟~ be about to do和be about doing 区别 关于将来时态 be going to; will do; be关于将来时态 be going to; will do; be about to; be doing 有什么不同 在哪种情况下用哪个.希望解释的仔细点 be about to,be to,be going to,be able to的区别 be about to / be going to 的区别 be to do be about to do 有什么区别 be about to 和be to 有什么区别? be about to 与be to 有什么区别? be to do & be about to do的区别 be about to do sth的用法 be about to do用法,例句 be about to do怎么用 用be about to do做句子