问题补充：
----I’m sorry I can’t go with you .
----? Haven’t you agreed ?
A. How is it
B. What is it
C. Why don’t you
D. What do you think
答案：
(答案→)A. How is it
B. What is it
C. Why don’t you
D. What do you think
解析：How is it交际用语，“这是怎么回事？”
300字范文，内容丰富有趣，生活中的好帮手！
