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写出下列各词的复数形式：
1.I_________2.him_________3.this___________4.her______
5.watch_______6.child_______7.photo________8.diary______
9.day________10.foot________11.book_______12.dress________
13.tooth_______14.sheep______15.box_______16.strawberry_____
17.thief_______18.yo-yo______19.peach______20.sandwich______
21.man______22.woman_______23.monkey_______24.boy___________
25.Chinese________
1.we2.they3.these4.them5.watches6.children7.photos8.diaries9.days10.feet11.books12.dresses
13.teeth14.sheep15.boxes16.strawberries
17.thieves18.yo-yos19.peaches20.sandwiches21.men22.women23.monkeys24.boys25.Chinese
此题考查的的是名词变复数规则：
1.一般情况下，直接加-s，如：book-books,bag-bags,cat-cats,bed-beds
2.以s.x.sh.ch结尾，加-es，如：bus-buses,box-boxes,brush-brushes,watch-watches
3.以“辅音字母+y”结尾，变y为i,再加-es，如：family-families,strawberry-strawberries
4.以“f或fe”结尾，变f或fe为v,再加-es，如：knife-knives
5.以字母o结尾的词，除了“hero（英雄）,tomato（西红柿）,potato（土豆）”等几个词加es，其它词一般加“s”。
6.不规则名词复数：
man-men,woman-women,policeman-policemen,policewoman-policewomen,mouse-mice,child-children,foot-feet,tooth-teeth,
fish-fish,people-people,Chinese-Chinese,Japanese-Japanese
