At times ,worrying is a normal, ________response to a difficult event or situation—a loved one being injured in an accident , for example.
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A
effective
B
individual
C
inevitable
D
unfavorable
推荐题目
Mr Smith, looking ______, started to work out a        problem.
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A
puzzled, puzzling
B
puzzling, puzzled
C
puzzled, puzzled
D
puzzling, puzzling
Many migrant workers,             city life, wouldn’t like to move back to the countryside.
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A
accustomed to
B
being accustomed to
C
have accustomed to
D
have been accustomed to