—My recorder is broken. Could I use yours?— but you have to return it tomorrow.A. I’m not

问题补充：

—My recorder is broken. Could I use yours?

—, but you have to return it tomorrow.

A. I’m not sure

B. No problem

C. I’m sorry

D. I hope so

答案：

A. I’m not sure

(答案→)B. No problem

C. I’m sorry

D. I hope so

解析： 考查交际用语。I’m not sure我不太肯定；No problem没问题；I’m sorry抱歉；I hope so我希望如此。句意：我的录音机坏了。我可以用你的吗？没问题，但是你必须明天把它还回来。所以选B。