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1. 不可数名词没有复数，当它作句子的主语时，谓语动词要用单数形式。如： The food is very fresh. 食品很新鲜。 2. 有的不可数名词也可以作可数名词，有复数形式，但他们的意义往往发生变化。如： water (水) → waters (水域) orange (橘汁) → oranges (橘子) 3. 很多的不可数名词表示泛指时为不可数，表示种类时就可数，但意义大多不发生变化。如： fruit → fruits food → foods fish → fishes hair → hairs  用所给名词的适当形式填空。 1. How many________(sheep) are there on the hill? 2. There is some________(food) in the basket. 3. The baby has only two________(tooth) now. 4. There is a lot of________(water) in the bottle. 5. There are five________(people ) in his family. 6. Let's take________(photo), OK? 7. I have lots of________(tomato) here. 8. The________(leaf) on the tree turn-yellow. 9. The________(child) are playing games on the playground now. 10. Their________(dictionary) look new. 11. I see you have a few white________(hair). 12. They are________(woman) doctors. 13. Can you give me some bottles of ____ (orange), please? 14. There are many________(fox) in the picture. 15. I would like some apple________(juice). I am very thirsty. 参考答案： 1. sheep 2. food 3. teeth 4. water 5. people 6. photos 7. tomatoes 8. leaves 9. children 10. dictionaries 11. hair, hairs 12. women 13. orange 14. foxes 15. juice |
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