单项选择题

I am willing to listen to others and () helping them.

A.keen
B.focus
C.insist
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单项选择题
College graduates have to fight for jobs in a () market.
A.competitive
B.completive
C.repetitive
单项选择题
They are very busy these days, and () watch TV.
A.always
B.often
C.seldom
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