单项选择题

If you don't know a word, you must ______ the word in a dictionary.

A． look up
B． look down
C． look over
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单项选择题
There is ______ in today's newspaper.
A． new anything
B． new something
C． something new
单项选择题
______ comes from sheep and some people like eating it.
A． Wool
B． Pork
C． Mutton
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