1．— Hi, Maria! I got the first place in the exam.
— ______! Everyone knows you cheated and you just copied Tony’s.
A. Congratulations B. Come on C. Good luck D. Cheer up
2. Obama, _____ president of the USA, won _____ Nobel Prize for Pease in 2009.
A．\; a B．a; the C．\; the D．the; a
