The professor referred to yesterday.
3个回答

选 B

理由:The professor referred to 可看为The professor( referred to),这里的 referred to (译为:涉及到的,谈到的) 是做后置定语用来修饰The professor,然后再根据后面的yesterday判断事情发生在昨天,应该用过去时,即 came.

其实原句完全可以看作The professor came yesterday(那个教授昨天来了)

这题应该算是后置定语中的简单题了,只要多做些类似的题目,很容易掌握的,高考这一语法题就没问题了.