听对话,选答案。 ( ) 1. A. In 1874. B. In 1879. C. In 1885. ( ) 2. A. At home. B. In a library. C. In a museum. ( ) 3. A. Her friends. B. Her parents. C. Her classmates. ( ) 4. A. Because they can be very helpful. B. Because they were invented by students. C. Because they can be used in our daily life. ( ) 5. A. Next Tuesday. B. Next Monday. C. Next Thursday. |