一、听力（20分）。
（一）听句子，选出该句的最佳答语。每个句子读一遍。
( )1. A. Oh, have fun! B. Let’s go. C. That’s true.
( )2. A. The same to you. B. Have a good time. C. You are so kind.
( )3. A. Good idea! B. Yes, please. C. Never mind.
( )4. A. Good idea! B. Enjoy yourself. C. Thank you.
( )5. A. I guess so. B. I don’t think so. C. I am happy for you.
