单项选择题

Cotton production has been ________ the decline these years.

A．down
B．on
C．at
D．under
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单项选择题
We could have provided him with a detached house but he ________ asked for a small flat.
A．decidedly
B．specially
C．strongly
D．solely
单项选择题
Having been a wanderer for years, I have decided to become a respectable citizen and ________ in a nice little cottage in the country.
A．settle up
B．settle for
C．settle down
D．settle in
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