单项选择题
Questions 22 to 25 are based on the conversation you have just heard.
A. A pet dog. B. The son of the couple. C. A pet cat. D. The man’s younger brother.
A. American English. B. British English. C. Business English. D. Non-English languages.
A．You are punctual and polite. B．You are a busy and important person with lots to do. C．You have no life of your own. D．You are leading an exciting and productive life.