F) Scan the dialogue and write out all the irregular verbs used in it.

g) Make sentences putting the words in the correct order:

1. are, different, today, in, world, there, systems, economic, the

2. demand, if, price, exceeds, tends, rise, to, the, supply

3. wants, constantly, people, are, of, growing

4. is, competition, force, the, market, of, an, important

5. producers, must, scarce, economically, and, suppliers, utilize, resources

6. sluggish, is, activity, economic

7. figures, dropped, according, production, to, official, oil, of

8. service, of, consists, the, transport, banking, sector, insurance, and