（） left before the meeting,it doesn't seem likely that will come.A in such a short time B only such a short time C with such a short time D without such a short time 什么用法?

Before the police arrived,the alien left the shop.(为什么选择arrived而不用reach） The day before he left home.before he left home做什么成分 I‟m sure you will find the cinema _____ your left.A.on B.before C.in D.after Before ______ （walk）across the road,you should look left and right.是用原型? before the project of sanxia,many_____(移民）left their hometown for their new living places we couldn't arrive at the station before the train left _______ (没有）the driver's help 翻译:There is only one week left before the exam. There is only one week left before the 中文! they left the house an hour______(ago before) 英译汉 There is only one week left before the exam Before she left on the trip ,she had trained hard. You ___(ask) for permission before you left the table. They （）（study）the map of the country before they left for their holiday 动词填空. Now there are only 90 days left before the test.为什么用left we left the place a day before.,before能放在a day前面吗 在离开前,他看了一下钟 翻译英语.He （ ） （ ） （ ） （ ）the clock before he left. Mr.Wang left Beijing the day before yesterday( 改为同义句)Mr.Wang( ) ( ) ( )（ ）Beijing for two day 4、He reached the station _____the train had left（ ） A、after B、before C、where D、as理由