---We’ll have a math exam this afternoon.
--- .
A. Take it easy
B. Have a good time
C. Wish you good luck
D. Congratulations to you
网友回答
A. Take it easy
B. Have a good time
(答案→)C. Wish you good luck
D. Congratulations to you
解析:考查情景交际。句意:--今天下午有一场数学考试。--祝你好运。A放轻松;B玩的开心;C好运;D祝贺你。C项是预祝对方做成某事;D项用于祝贺对方成功做了某事。数学考试在下午,还未发生,故选C。