问题描述：
IV.I want to cut the meat.Please_____(sharp) the knife.
用所给单词的适当形式填空,完成句子.
I want to cut the meat.Please_____(sharp) the knife.
用所给单词的适当形式填空,完成句子.
I want to cut the meat.Please_____(sharp) the knife.
问题解答：
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