写出单复数形式　　　　　　　　stars【　】families【　】foot　　【　　】求求求求求

stars【star　】families【　family】foot　　【　feet　】farmers【　　farmer　】peaches［　peach　］policeman［　policemen　］fish［　fishes］knife［knives　］box［boxes　］shelf［shelves　］man［men　］child［children　］leaf［　 leaves］
用下面名词的正确形式填空
1.is this[ apple ](apple)？No,it isn't. 2.what are these?they are[ oranges ](orange).
3.pass me[ a pencil或 some pencils ](pencil) 4.Give me some[ eggs ](egg),please
5.Are those your[ shoes ](shoe)?yes,they are. 6.those shoes are[ Tom's ](tom).
7.is the big[ orange ](orange)Linda's? 8.there are two[ knives ](knife)in the pencil-box.
9.this[ T-shirt ](T-shirt)is big. 10.How many[ fishes ](fish)are there in the river?