____ a short time,however,we will learn waht to do.A.Before

____ a short time,however,we will learn waht to do.A.Before 英语翻译After a short time.however,we learn what to do and what only a very short time before However,we do communicate successfully from time to time.And We will be able to have a robot do the housework before long We 'll have to do the dishes before mother___home.A will com 英语翻译It was a long time ,however ,before man began to build p A(It will) be a B(long) time C(before) we D(will meet)again Roy trenton drove a taxi before.A short while ago,however,he a short time before 和 a short time ago 的区别,可以举例说明, We found ----difficult to learn English well in such a short It's time you ____ your homework.A.did B.do C.to do D.will d