题目内容
词形转换：根据句意用括号内所给单词的适当形式填空。
The three ________are in the same class. They are good friends. (boy)
答案：boys
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题目内容
词形转换：根据句意用括号内所给单词的适当形式填空。
The three ________are in the same class. They are good friends. (boy)