Study

OW1 U2 V1+V2

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  • What are they?
    They're a rock.
    They're rocks.
  • What is it?
    It's a grass.
    It's grass.
  • What are they?
    They are rocks.
    They are mountains.
  • What is it?
    It's the sun.
    It's the moon.
  • What is it?
    It's a tree.
    It's grass.
  • What is it?
    It's the ocean.
    It's grass.
  • What are they?
    They're birds.
    They're butterflies.
  • What is it?
    It's a river.
    It's the ocean.
  • What is it?
    It's a river.
    It's the sky.
  • What is it?
    It's the moon.
    It's the sun.
  • What are they?
    They're butterflies.
    They're flowers.