改变其中一个字母使它变成另一个单词例:art are/ant/arm dig did/big/dogpen_____________ power____________ wear__________house__________ keep_____________ how___________sell___________ hill_____________ best__________boat___________ talk_____________ pool___________glass___________

pen_____pan________ power_____tower_______ wear______hear____
house________horse__ keep_______deep______ how__________wow_
sell_______sall____ hill___hell__________ best_______beat___
boat_________boot__ talk________tall_____ pool______cool_____
glass_________class__

dig dug big pig dog
pen pan fen hen men ten
power tower
house horse mouse
keep kept deep jeep
sell cell bell fell spell tell we'll seal
hill mill till bill fill kill
wear wore hear tear bear dear fear near pear year
how now hot bow low row who
best beat rest west bess
boat coat goat boot beat
talk tall walk
pool poor tool
glass grass class

pen__________den power_________tower wear__________pearhouse_________horse keep____________jeep how___________now sell___________bell hill_____________kill best__________nest boat___________goat talk_...