问题补充：
---
---The kitchen fan doesn’t work.
A. What’s that?
B. What’s the matter?
C. Can I help you?
D. How are you?
答案：
A. What’s that?
(答案→)B. What’s the matter?
C. Can I help you?
D. How are you?
解析：A. What’s that?那是什么？B. What’s the matter?怎么了？C. Can I help you?我能帮助你吗？D. How are you?你好吗？句意：怎么了？抽油烟机坏了。故选B
