问题描述：
改句,填空
Sam has fout pears.Jim has four pears,too.
改为 Sam has _____ ______ ______ Jim.
Ben writes the most carefully of the three.
改为 Ben writes ____ ____ than the ____ ___
.
Sam has fout pears.Jim has four pears,too.
改为 Sam has _____ ______ ______ Jim.
Ben writes the most carefully of the three.
改为 Ben writes ____ ____ than the ____ ___
.
问题解答：
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