( )1. A. see ( )2. A. books ( )3. A. stop ( )4. A. find ( )5. A. in ( )6. A. need ( )7. A. friend ( )8. A. Then ( )9. A. helpful ( )10. A. but | B. know B. letters B. enjoy B. get B. off B. may B. boy B. Now B. useful B. and | C. find C. stories C. keep C. study C. up C. should C. person C. Yet C. enough C. so | D. look up D. words D. start D. guess D. by D. must D. girl D. Sometimes D. good D. for |