You should ______ the water before drinking it.
A. beautify
B. simplify
C. purify
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Jenny's proposal ________ consideration.
A. is worthy of
B. deserve
C. is worthwhile
If you are a member of our dance club, you must _______ our rules.
A. confront
B. obey to
C. conform to
It was the president's second public ______ to date
A. appearance
B. appliance
C. arrange
He became a kind of hero for _________ local gangs.
A. standing up
B. standing for
C. standing up to
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