单项选择题
______ has been done to prevent the water in the lake from being polluted.
A.Little
B.Few
C.Other
D.Many
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单项选择题
He is not a soldier ______ a sailor.
A.but
B.but for
C.besides
D.except
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单项选择题
I think he hardly makes spelling mistakes, ______
A.does he
B.doesn't he
C.do I
D.don't I
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