Unit 7 : Saving energy

14production

15luxurious

16you need

17needing

18conservation

19natural

20disappointed

7energetic

8consumer

9consumption

10hotter

11effectively

12complaining

13effective

1energy

2effective

3consume

4conservation

5install

6effecient

1, energy

2, effective

3, consume

4, conservation

5, install

6, effecient

1A

2B

A,B

A

B

16C

17A

18A

19D

20D