Nearly a week passed before the girl was able to explain what happened to her.为什么用befor?为什么用befor,不用after?

nearly,passed,he,a,came,week,before,back连成句子 Nearly a week passed before the girl was able to explain what had happened to her.我不太明白before在句子中的意义和作用. Nearly a week passed before the girl was able to explain what had happened to her.这句话中的before作何解 Nearly a week passed before the girl was able to explain what happened to her.为什么用befor?为什么用befor,不用after? Nearly a week passed before the girl was able to explain what happened to her这句是说过了一周后,才能想起来,为什么不用AFTER 用BEFORE Nearly a week passed before the girl was able to explain what happened to her,其中what后引导的是宾 这句话真正的动词是was还是was able to呢?Nearly a week passed before the girl was able to explain what had happened to her. Nearly a week passed （） the girl was able to explain what happened to her.为什么不能填till呢?知道过了一个星期,那个女孩才有能力解释发生了什么事情.为什么要填before呢? nearly a year has passed since she ___(go) to colege 连词成句nearly,passed,he,a,came,week,before,back he,arriving,us,on,the,telephoned,destinationthe,should,every,be,two,flower,days,waterdhis,is,bigger,house,far,than,yoursshi,such,that,we,a,all,lovely,like,girl,her,is我还要补课 after和before1.Nearly a week passed bofore the girl was able to explain what had happened her2.She swam to the shore after spending the whole night in the water.我想问下这个两个句子怎么翻译.也就是说before 和after是用在主句里 高中的英语题（组句子,汉译英）用所给的词组成句子1.nearly,passed,he,a,came,week,before,back2.he,arriving,us,on,the,telephoned,destination3.the,should,every,be,two,flower,days,watered4.his,is,bigger,house,far,than,yours5.she,such, he acted as if he had never lived in England before.Nearly a week passed before she was able to explain what had happened to her.请问第一句话中的before话在as if后来引导一个时间状语可以不?在第二句话中把before放句末可 The （ ）week has passed quickly.A.all B.whole C.none D.both Having been ill in bed for nearly a month,he had a hard time______the exam.A.pass B.to pass C.passed D.passing my baby sister has put on nearly half a pound in weight this week.这里put on Since he fell off the bike John ___(lie) in bed for nearly a week该怎么填 为什么 she goes to visit her grandparents ___(nearly)every week