I was crossing the street,where were you

I was crossing the street,where were you The first time I remember noticing the crossing guard was when he waved to me as I drove my son to s I saw him while he was crossing the street 与 He was crossing the street when i saw him 有什么区别 英语翻译just as I was crossing the road,a car came around the corner the crossing was rough求翻译 Bill 's hat was blown off when he was crossing the bridge .变成have+object+p.p. I was crossing the bridge 这里Was是BE动词 后面应该是 aross 为什么这里用 Cross I was __of crossing the road __the car accident happened.A .on the point ;that B.on the point;when after crossing himselfThe old woman's eyes vanished from the gratingthe air was balmyhad come the day before the old man was crossing the road 改为 同义句 The wind have got Bill's hat blown off when he was crossing the bridge 为什么要加个got啊 还有h 改病句：It's important learn English well I have a cat.It's tail is longDon't crossing the road.The traffic light is red.速求! they were s----- at crossing the bridge yesterday填空 I saw an old man___(to cross;crossing) the road I see him crossing the street .改为同义句? 关于whileShe saw me while （was） crossing the street.当中的was可不可以有呢? The truck driver t------- the traffic lights were going to turn green,but they were still red when he crossed the crossing.The driver tried to s---------- his car,but it was too late.The car hit the truck. The child was crossing the street when he suddenly-----[fall] to the ground.