21.—Mike, you’ve got a “D” in physics. ________?

    —Well. I find the subject hard and I think I’ll drop it for History next term.

A. What if               B. How come             C. Why not      D. So what

22.-What attracted you to our university?  -You have a great basketball team and I can ___ for it.

A. work out               B. look out              C. carry out      D. try out