九年级英语第一单元习题一、单项填空：选择最佳答案。（共15小题，计15分）( )1. How do you learn English? I learn English by_.A. listen to tapes B. speak it C. listening to tapes D. ask the teacher( )2. If you have questions, you should ask the teacher _help.A. from B. on C. for D. to( )3. He speaks too quickly_.A. understand B. write them down C. to understand D. to write down them( )4. As time
