问题补充：
—How about going camping with us this weekend?
—
A. Is that right?
B. I’d like to, but I have no time.
C. What are you planning?
D. What’s for?
答案：
A. Is that right?
(答案→)B. I’d like to, but I have no time.
C. What are you planning?
D. What’s for?
解析：可联系答.案.网客服索取。
