填空题

The canine teeth of bears are used more to ______.

【参考答案】

defend themselves or as tools
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单项选择题
A．She agrees with the man.B．She doesn’t know the book.C．She likes the book very much.D．She doesn’t know what to do.
A．She agrees with the man.
B．She doesn’t know the book.
C．She likes the book very much.
D．She doesn’t know what to do.
填空题
Although all bears are meat eaters, all but ______ have become omnivorous.
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