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ACTIVITY 3

Rellenar huecos

Read the sentences and complete with the word in parenthesis, don't forget apply the rules in third person.

  1. If you    (heat) water to 100 degrees, it  (boil).
  2. If you    (heat) metal, it  (expand).
  3. If you  (boil) a liquid for hours, it  (boil) off.
  4. Plants  (die) if weather conditions  (be) extreme.
  5. If you    (mix) yellow and blue, you    (obtain) green.
  6. If you  (leave) meat out of the refrigerator for many days, it  (get) rotten.
  7. When iron  (react) in the presence of air, rust  (appear).
  8. If you  (throw) a coin into water, it  (sink).
  9. If I  (work) late, I  (get) tired.
  10. If you  (put) an ice cube in the sun, it  (melt).

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