听对话和问题,选择适当的选项。 1. What does John do? [ ] A. A policeman. B. A postman. C. A driver. 2. What is the girl going to do first? [ ] A. Have lunch. B. Do her homework. C. Have supper. 3. What is Mary going to be? [ ] A. A computer programmer. B. A nurse. C. A student.