Choose the correct options

1. He has got
   [a|an]
   eraser.
2. I
   ['m|'re]
   12 years old.
3. They have got
   [a|an]
   yellow desk.
4. We
   [is|are]
   in Grade 5.
5. This is
   [a|an]
   blackboard.
6. You
   ['re|'s]
   new in our class.
7. She has got
   [a|an]
   bag.
8. This is
   [a|an]
   apple.
9. Jennifer and I
   [is|are]
   classmates.
10. Today it
    ['s|'m]
    Saturday.