单项选择题

They are put to work when young, and they stay ______.

A．to
B．down
C．up
D．put
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单项选择题
Though Jane was offended by her sister’’s rude remarks, she only ______ her lips and said nothing.
A．compress
B．condense
C．contract
D．constrict
单项选择题
A．awayB．outdoorsC．indoorsD．far
A．away
B．outdoors
C．indoors
D．far
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