Change "That is/This is" to "Those are/These are"

Fill in the blanks
1. That is an elephant => Those are elephants.
2. This a ring => These are rings.
3. This is a crayon => are .
4. That is a notebook => are .
5. This is a computer => are .
6. This is a toy => are .
7. That is a man => are .
8. This is a box => are .
9. That is an apple => are
10. That is a cat => are .
11. This is a bag => are .
12. That is an eraser => are .