问题描述：
把下列名词变成复数
teacher,desk,cap,dog,house,bus,box,peach,student,bed,city,scarf,hero,man,sheep,child.
bus,dictonary,chair,uncle,driver,sheep,knife,inan,vase,watch,horse,woman,match,horse,
woman,match,goat,party,child,bike,map,foot.
teacher,desk,cap,dog,house,bus,box,peach,student,bed,city,scarf,hero,man,sheep,child.
bus,dictonary,chair,uncle,driver,sheep,knife,inan,vase,watch,horse,woman,match,horse,
woman,match,goat,party,child,bike,map,foot.
问题解答：
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