单项选择题

Once grey wolf could be found in many parts of the earth.

A．Right.
B．Wrong.
C．Doesn't say.
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单项选择题
There are fewer grey wolves in Europe than in the USA.
A．Right.
B．Wrong.
C．Doesn't say.
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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