单项选择题

Much time was spent in these groups, adopting problem-solving ______ to specific cases from the participants.

A. means
B. approaches
C. methods
D. ways
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There is an ______ need for more socioeconomic information in this field to help set guidelines for the future.
A. acute
B. acid
C. urgent
D. impending
单项选择题
I hate ______ when people cry, because it makes me want to do the same thing.
A. it
B. that
C. these
D. them
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