—Morning,boysandgirls!Pleasetryyourbestintoday’sexam!Go...

问题详情：

— Morning, boys and girls! Please try your best in today’s exam! Good luck to all of you!

— ________

A. Sorry, I won’t.           B. Thanks!    

C. Never mind。               D. Congratulations!

【回答】

 B

知识点：交际用语

题型：选择题