单项选择题

Grey wolves take good care of the young.

A． Right
B． Wrong
C． Doesn't say
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单项选择题
People knew the nature of wolf very well.
A． Right
B． Wrong
C． Doesn't say
单项选择题
We can find more and more grey wolves in Alaskea.
A． Right
B． Wrong
C． Doesn't say
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