The reference derived from “to refer” asks about information which words or phrases refer to.
First question
Man:
What does Susan think about her new job?
I've hear it through the grapevine that she's dissatisfied.
Be professional! It is our motto. Here, we help you to explore lots of problems that you meet on the TOEFL (iBT) test. Don't be afraid! conquering the test is a process. Nothing can be done once. Consequently, the only one way is practices.