Exercise 1:

1. she (go) ------goes------------ to school everyday

2. there (to be) -------are----------- big problems in many parts of the world.

3. A lot of people (go) -----go--------------- to work by car.

4. Davis never (take) -------takes--------------- the bus to school.

5. He plays volleyball but he (not enjoy)-------doesn't enjoy---------------- it.

6. Most shops usually (open) -------------open------------ at 8.00 a.m and (close) ----------close----------- at 6.00 p.m.

7. School children (wear) -----------wear-------------- uniform on Mon

8. I want ( buy)-------to buy------------ some stamps.

9. Ruth (live) --------lives--------- with his parents in an apartment.

10. He is writing a postcard and (watch)-----watching----------- TV at the same time.