问题补充：
---What about going to the beach with us?
---. That’s a good place for a vacation.
A. You can’t be serious.
B. I couldn’t agree more
C. That’s a good point.
D. I am not sure about it.
答案：
A. You can’t be serious.
(答案→)B. I couldn’t agree more
C. That’s a good point.
D. I am not sure about it.
解析：A. You can’t be serious. 你不是在开玩笑吧，B. I couldn’t agree more再同意不过了， C. That’s a good point. 很有道理。D. I am not sure about it.我不确定，句意：--和我们去海边怎么样？--再同意不过了。那是一个度假的好地方。选B。
