Unit 5

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Across
  1. 4. A preposition. Means in the back of something.
  2. 5. A noun. Usually green, I have lots of them in my house, but there are more in the forest.
  3. 8. A preposition. Means in the middle of two things.
  4. 9. Many.
  5. 11. A preposition .It's the opposite of "back".
  6. 13. A noun. It has two wheels, you can ride it, be careful.
Down
  1. 1. A preposition. In a higher position of something.
  2. 2. A noun. It's a place in your house, you have TV, sofa and table in this place.
  3. 3. A noun. You use it to bring water to school.
  4. 4. A preposition. Means next to something.
  5. 5. A noun. You can use a camera or a phone to take it.
  6. 6. An adjective. The opposite of "clean".
  7. 7. A noun. You will know what time is it if you look at it.
  8. 10. A noun. You and your family live in it.
  9. 12. “they”的形容词性物主代词。