a short time ___(after,before,later,as sooon as)

a short time ___(after,before,later,as sooon as) A) before B) while C) as D) after after as when before since 的区别 after a short time还是in a short time? 用after、 before 、if 、when、 while 、as soon as 填空 怎么辨别 right before,shortly after,as soon as while,when,until,after,before,as soon as 怎么用? when while before after as soon as until填空 用when,while,as soon as,until,before,after填空 when,while,as soon as,before,after的区别 some time later和a short time的区别 only a very short time before