6. 300 people were injured in the _____. A. explode B. explosion C. explosive D. exploding 7. A lot of talented students are unable to complete their studies because of _____. A. poverty B. poor C. poorness D. proof 8. The population _____ in this city is very high. A. density B. dense C. condense D. densely 9. Thats him in front of his store in the _____ market! A. air B. bee C. flea D. ant 10. I prefer a more _____ range of music to listen to. A. open B. diverse C. different D. separate 11. There will also be a new main entrance and more car parking _____ A. space B. lot C. area D. room 12. A truck parked in the middle of the narrow street _____ the road. A. stopped B. slowed C. ended D. blocked 13. Very few families in big cities have to live below the _____ line. A. major B. crime C. poverty D. space 14. Tap was greatly _____ by his close friend at school. A. effective B. effected C. effectively D. affected 15. Young _____ must be punished, but education is the cure. A. crime B. criminals C. crimes D. criminality 16. Family education has several _____ on young children. A. effects B. affects C. effect D. effects