一个在做定语从句练习时的英语问题
4个回答

前几天,我哥哥以我认为很危险的速度开着他的车沿街行驶

Cwhat

介词at的宾语从句,不是定语从句,因为前文没有先行词

at what I thought was a dangerous speed.(what既是at的宾语,也是从句的主语,充当两个成分)

=at the speed which I thought was a dangerous speed(这个才是定语从句,先行词是speed)