精选优质文档-倾情为你奉上主语从句10高考英语语法练习一次清（一轮复习）1.They lost their way in the forest, and _ made matters worse was that night began to fall. A.itB.whichC.thatD.what【答案】 D【解析】句意：他们在森林里迷路了，情况更糟糕的是天又黑了。本题中含有一个主语从句what made matters worse，其中的what引导起这个主语从句，同时在主语从句中做主语。故选D。【点评】考查名词性从句，本题涉及what引导的主语从句的应用。2._ his failure lies is expected _ clear to us. A.What to makeB.How madeC.Where to be madeD.Why making【答案】 C【解析】句意：他的失败之处有可能被我们弄清楚。分析句子可知，主语从句中的li
