ex.4

1. This is a mouse.  

2. That is a knife.  

3. That is a child.  

4. This is a fox.  

5. That is a lady.  

6. This is a leaf.  

7. That is a man.

8. This is a bench.  

9. This is a tall tree.  

10. That is a new book.  

ex.5

1) bed

2) mouse

3) laptop

4) sheep

5) sons