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