请听句子，选择正确的答案。 (     )1. A. He is going to do it next week. B. We are going to do it this evening. C. They are going to do it after lunch. (     )2. A. They are going to take piano lessons. B. He is going to learn a new language. C. They are playing football, I think. (     )3. A. We are going fishing with Kim. B. Kim and I are going to do it. C. Kim does. (     )4. A. Some are going to work harder at school. B. Nobody does. C. Some are old people. (     )5. A. No, they don't. B. I think so. C. To be waiters.