人教新目标八年级上Unit2 Section B(1a-2e) 同步练习(1)含答案 一、单项选择 1.I think 80% of the students use the Internet just ______ fun. A. on B. to C. for D. in 2.I think the best way________ English is by reading English books. A. learn B. learning C. to learn D. to learning