She rode a car at_____I think is a dangerous speed.

题目

She rode a car at_____I think is a dangerous speed.
填空应该填什么单词?
到底应该是 which 还是what

答案

应该填 what如果用which,就变成了一个定语从句,修饰前面的名字,但前面是at,所以不能是which. 如果句子变成She rode a car a speed ____ I think is dangerous, 则该选which.拿不定注意的话,自己上网验证一下.上googl...