问题补充：
The manager has offered us a two-week holiday to Beijing next month.
I have been looking forwarding to it.
A. Good idea!
B. Don’t worry
C. Oh really?
D. why not
答案：
A. Good idea!
B. Don’t worry
C. Oh really?
(答案→)D. why not
解析：考察交际用语A. Good idea! 好主意！对建议句型的回答B. Don’t worry 甭担心 C. Oh really? 真的吗？ D. why not为什么不呢对建议的回答或对他人话语陈述的赞同（含肯定意义）句意：--经理主动提出下个月给我们放2周的假，去北京游玩 ---为什么不去呢，我一直盼着呢。根据句意：选D
考点:考察交际用语
