3. Example While fast food is not good for your health, it is very convenient.

4. Example On one hand, fast food is not good for your health. On the other hand, it is very convenient.

5. Example Although fast food is tasty, it is not very good for your health.

6. Pick up the receiver. Insert coins. Dial the number.

7. Pick up the receiver. Insert coins. Dial the number.

8. Example There are many problems with pollution.

9. Example One solution is recycling

10. Example A senator is an elected member of the senate.

11. Example A senator acts as a law-maker.

12. Example There are many different types of teas.

13. Example One kind of tea is green tea.

14. Example As a result of the heavy rain, the road is closed.

15. Example The road closure is caused by the heavy rain.

16. Example Due to heavy rain, the road is closed.