About ten years ago,I was walking along this quiet London street one evening___it suddenly rained.A.while B.when C.as D.before解释一下为什么,为什么不选D？

ten years ago的反义词 about ten years ago,a young and very successful policeman named josh这篇完型答案 about ten years ago,i studid in a famous university求全文及翻译 we made friends about ten years ago 的同义句we made friends about ten years ago 的同义句 we —— ——friends—— ——ten years since ten years since ten years ago区别 ten years before 和ten years ago 有什么区别? 是at about ten years 还是for about ten years tom()at this school ten years ago You visited the city ten years ago You visited the city ten years ago ... One day of ten years ago we made friends about ten years ago 的同义句 we —— ——friends—— ——ten years ten years ago 和 a decade ago的区别 You bought the car about ten years ago? Yes. Although it's old, it still runs well.翻译 ago是不是等于before?比如ten years ago是不是等于ten years before等于before ten years His grandfather died ten years ago(对ten years ago提问） _____ _______ His grandfather______? ten years ago和in ten years ago有什么区别 ten years ago 前加什么介词?What was your hometown ＿ ten years ago?