I ________ upset when I failed the exam．

1. A.
   be
2. B.
   used to
3. C.
   use to be
4. D.
   used to be

I ______ upset when I failed the exam.

A．may be          B．used to          C．use to be             D．used to be

-Sandy is upset now. Why don’t we            ?

-That’s a good idea.

A. cheer her up      B. wake her up      C. pick her up      D. make her up