Countable and uncountable nouns

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Across
  1. 2. It´s an object that contains jam
  2. 5. It is a piece of furniture and it is used for sitting
  3. 8. It is necessary for sweating
  4. 9. It´s the moment when you go to bed. It is after afternoon.
  5. 10. It´s the group of chairs, tables, desks
  6. 11. It´s the first number
  7. 12. It is a necessary document for buying
  8. 13. It is the external component of peanuts
Down
  1. 1. People listen to it for dancing
  2. 3. It´s a person that works in a theater
  3. 4. It is a group of machines
  4. 6. It´s a transparent liquid that you can find in lakes, rain, sea and you need to drink it everyday
  5. 7. It´s an element that you use for cutting food
  6. 11. It is a liquid food that comes from the sunflower