Complete the sentences with the correct word. .burn convert certified promote treat consume produce demand • operate power

1 Biodiesel is used to and machinery

engines

2 The for organic products is

increasing worldwide

3 Organic farming methods

animal welfare.

4 Sultan wants to buy some plants and

his rooftop into a garden.

5 There are many ways we can try to

less and produce more

1)  christmas.

2) language.

3) last.

1)corn,darn,farm,rod,stove,third,myrtle,stock.

2)pure,fire,tire,more,fur,fun,hut,myth.

3)silk,drink,bride,pin,brim,we,pete.

4)pad,face,student,slice,shame,nine,snake,plate.

i think so.

1. is the car red or black? the car is red,isn,it? 2. are the cats red or white? what is red? 3.is the pen yellow or red? what is the pen? 4. are the apples green or blue? the apples are green, aren,it?

1. c) to stay

2. a) to have

3. b) stay 

4. c) listening

5. b) is

6. b) for

7. c) no, a) some

8. c) was

9. b) since

10. c) did

11. a) she said she was having breakfast.

12. a) the

13. c) will/-

14. a) the/the

15. b) in

16. a) wants

17. b) off

18. d) in

19. d) shorter

20. b) was already started

21. c) to wake him up