5、yourownfault________youaresotired.Yououghtn'ttohavestayedupsolate.A.whenB.howC.whyD.where解析 句意:你为什么这么累是你自己的过错。你不应该熬夜到那么晚。it作形式主语,根据句意可知应填why引导主语从句。答案 C8.Istilldoubt________thepriceofcomputersinthestorewillgodown,butIwilljustwaitandsee.A.howB.whetherC.whyD.when解析 d