1. This is …a. book. This is a computer.
2. These are …. pens. The…. Pens are blue.
3. Do you know …the answer?
4. You are in …the wrong place! You are in the… wrong place!
6. …the. note-books are green and yellow.
7. …the.. doctors are good
8. These are …. children.
9.This is a…. box. …the. Box is small.
10. Are you waiting for …a school bus?