写出以下词的复数形式1.city2.Chinese3.key4.beach5.glass6.strawberry7.bu

cities
Chinese(单复数同形)
keys
beaches
glasses
strawberries
buses
men
children
teeth
可数名词复数变化
①在单数名词词尾加s.如：map → maps,boy→ boys,horse→ horses,table→ tables.
x05②s,o,x ,sh,ch结尾的词加es.如：class→classes,box→boxes,hero→heroes,dish→dishes,bench→benches.
x05[注]：少数以o结尾的词,变复数时只加s.如：photo→photos,piano→pianos.
x05③以辅音字母加y结尾的名词,变y为i,再加es.如：family→families,city→cities,party→parties.
x05④以f或fe结尾的名词,变f或fe为v,再加es.如：shelf→shelves,wolf→wolves,life→lives,knife→knives.
x052、不规则变化：man→men,woman→women,sheep→sheep,tooth→teeth,fish→fish,child→children,ox→oxen,goose→geese