写出下列名词单复数的形式。1.desk(复数2.chair(复数3.fan(复数4.light(复数5.book(复数6.balloon(复数7.classroom(复数8.bag(复数9.pencil(复数10.pen(复数11.ruler(复数12.rubber(复数13.board(复数14.door(复数15.window(复数16.child(复数17.mouth(复数18.nose(复数19.eye(复数20.ear(复数21.finger(复数22.apple(复数23.banana(复数24.pear(复数25.lychee(复数26.orange(复数27.student(复数28.class(复数29.grade(复数30.cat(复数31.bed(复数32.elephant(复数33.panda(复数34.lion(复数
35.giraffe(复数36.monkey(复数37.frog(复数38.puppy(复数39.robot(复数40.doll(复数41.kite(复数42.bear(复数43.ball(复数44.toybox(复数45.fish(复数46.dog(复数47.turtle(复数48.rabbit(复数49.bird(复数50.storybook(复数51.clock(复数52.CD(复数
53.watch(复数54.Discman(复数55.game(复数56.bone(复数57.hole(复数58.tree(复数59.flower(复数60.grass(复数61.clown(复数62.slide(复数63.pool(复数64.friend(复数65.car(复数66.taxi(复数
67.bus(复数68.minibus(复数69.bike(复数70.school(复数71.cup(复数72.sticker(复数73.drink(复数74.towel(复数75.answer(复数76.pizza(复数77.cake(复数78.Coke(复数
79.icecream(复数80.mother(复数81.father(复数82.driver(复数83.doctor(复数
