28. The old lady often comforts those ________ are in trouble.
A. who
B. whom
C. whose
D. for whom
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29.It is far ________ to recognize an error than to correct an error.
A. good
B. better
C. best
D. the best
30. It’s been very cold, ________ today is an exception.
A. so
B. therefore
C. but
D. since
31. I didn’t want to spend ________ money on clothing.
A. plenty
B. many
C. much
D. lot
32. There were ________students playing games.
A. a few
B. a little
C. a less
D. a least