17. A. great B. greeting C. greater D. greatest
16. A. showed B. went C. visited D. got
15. A. something B. anything C. everything D. nothing
14. A. for example B. such as C. for instance D. such that
13. A. less B. more C. few D. much
12. A. works out B. picks out C. keeps out D. carries out
11. A. spreading B. spreads C. to spread D. spread
10. A. knows B. to know C. known D. knowing
9. A. raises B. rises C. lifts D. carries
8. A. During B. While C. When D. As