改变其中一个字母使它变成另一个单词
问题描述：
改变其中一个字母使它变成另一个单词
要举三个例子～
dig pen power house keep sell hill wear how best boat talk pool glass
每个词要三个改变的词
答
我是英语老师,帮帮你.dig dug big pig dog pen pan fen hen men ten power tower house horse mouse keep kept deep jeepsell cell bell fell spell tell we'll seal hill mill till bill fill kill wear wore hear ...