21. A. struggling B. improving C. working D. complaining
22. A. put up B. prepare for C. worry about D. give up
23. A. committee B. newspaper C. radio D. team
24. A. enthusiastic B. artistic C. sympathetic D. realistic
25. A. widely B. weakly C. excitedly D. brightly
26. A. similar B. ordinary C. different D. familiar
27. A. physics B. history C. English D. math
28. A. pleasure B. hope C. trouble D. sorrow
29. A. swim B. try C. ask D. escape
30. A. in return for B. in case of C. in terms of D. instead of
