The story is so amusing that it kept the children laughing for minutes______

填入下面横线处的几句话，衔接恰当的一项是(   ) 清人张潮在其《幽梦影》中曾说：’对渊博友如读异书，对风雅友如读名人诗文，对谨饬友如读圣贤经传，对滑稽友如阅传奇小说.’这话确有见地，人生一世，除了亲情，爱情外，友情更是不可缺的.因为________ 。

So hard-working _____ that he sets agood example to all the other classmates

I know my brother well. Once he has made up his mind, nothing can change it, but instead I usually ________.

Not until he arrived home _____ he findthat this wallet had been stolen.