what引导宾语从句既做介词的宾语,还可以做宾语从句的主语的例句?
问题描述：
what引导宾语从句既做介词的宾语,还可以做宾语从句的主语的例句?
比如例句 the other day,my brother drove his car down the street at ___what____ I thought was a danerous speed.横线上为什么不可以用which?
要那种做介词宾语，且在从句中做主语的例句！
答
其实这种类型的选择题很多见,语法来语法去反而挺麻烦的,你可以这么想,what=the thing which,这样的话定语从句和宾语从句其实就是相同的.光是at which 的话就缺了主语了.这里就是the speed which.后面跟的那句I thoug...