（一）录音中有五个句子，每个句子听一遍，然后从每小题A、B、C中选出适合每个句子的应答语。    

1. A. Sorry, I don’t know.   

B. Certainly. Good idea.     

C. Sure. No problem.

2. A. Thanks a lot.       

B. I’m really tired.     

C. I’m not feeling well.

3. A. I’m sorry to hear that.     

B. What’s wrong? 

C. I’m afraid not.