16. Tom: Mike, our team will play against the Rockets this weekend. I'm sure we will win.
Mike: ______!
A. Congratulations B. Cheers C. Best wishes D. Good luck
17. ______ huge number of people are speaking Chinese as _____ foreign language.
A. The; / B. A; / C. A; a D. The; a
18.He asked _______ for the violin
A. did I pay how much B. I paid how much C. how much did I pay D. how much I paid