21. —Hi, Sandy. I’d like to invite you to dinner on Friday evening. Can you come?
—Well, _______ A friend of mine might come to see me.
A. It’s my pleasure. B. It depends. C. Really? D. Of course not.
22. What lessons(教训) China can draw from_____ financial crisis(经济危机) in the United States has become _______ hot topic in Chongqing.
A. the；a B. a；a C. 不填；the D. the；不填
