1.This is _____used car. It’s much ______than a new one.
A. an; cheaper B. an; dearer C. a; cheaper D. a; dearer
2.They never knew ______in one hundred years.
A. what the weather is like B. what the weather would be like
C. What the weather would be D. How the weather
3.Don’t worry. I’ll tell Mr. Green ________ he comes back.
A. when B. how C. why D. where
4.---The radio is too noisy and there is nothing interesting on it. Why don’t you __________?
---All right. I’ll do that.
A. turn it on B. turn it off C. turn it back D. turn it up