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单项选择题

--Can you answer that question--Sorry, I ______.

A． can' t
B． don' t
C． mustn' t
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热门试题

单项选择题A． heard B． found C． learned

A． heard
B． found
C． learned

单项选择题A． note B． coat C． bag

A． note
B． coat
C． bag