Unit 2 I’m Liu Tao习题 1一、单项选择。1. -Hi, Cindy! - ________.A. How are you? B. Hi, Bob! C. Good morning, Mr. Bill!2. - Good morning, Mr. Li! -_______A. Sit down, please. B. Hello. C. Good morning, Jim.3. 下午遇见老师时，你应该说：_______A. Good morning. B. Thanks. C. Good afternoon...
