During my second year at the city college, I was told that the education department was offering a “free” course, called Thinking Chess, for three credits. I _______ the idea of taking the class because, after all, who doesn’t want to _______ a few dollars?
1. A. put forward    B. jumped at    C. tried out    D. turned down
2. A. waste    B. earn    C. save    D. pay