【题目】写出下列名词的复数形式。

1. tomato ___________ 2. French fry _________

3. strawberry_______ 4.apple _________

5. star______________ 6.family ____________

7. tooth______ 8.foot ________

9. potato _______ 10.bus_____

11. boy_______ 12.Chinese_______

13. brush_____ 14.dictionary_______

15. key________ 16.watch______

_17. class__________ 18.month______

19. comedy____________ 20.documentary_____

21. chess______ 22.piano______

23. address______ 24.wish_________

25. life_______ 26.half__

27. knife_____ 28.city______

29. photo_____ 30.party___

31. hobby_______