1. 1. If there is sometimes wrong with the lights, ask an _________
to repair them ( electric)
2. I switched the lights off to save ______________ ( electric )
3. The price of _______________ has gone up again ( electric)
4. Don’t leave the lights on. It wastes ____________ ( electric )
5. This car ______________ a lot of fuel ( consume )
UNIT 7 – WORD FORM
electrician
n
n
electricity
electricity
n
eletricity
S V
consumes
O
2. 6. _____________ are very demanding. They want products that
are both cheap and of good quality. ( consume ).
7. What are Western ___________ interested in? ( consume )
8. They have measured the car’s fuel ____________. ( consume)
9.The new school regulations will be put into __________ next
month.( effective )
10.These workers got a bonus because they did their jobs
____________ ( effect )
S
Consumers
consumers
consumption
n
v
effectively
effect
3. 11. She likes this machine because it works very ____________.
( effect)
12. How much ____________ efficiency does this machine
have? ( energetic )
13. Sugar gives us ________ and we feel less hungry. ( energetic)
14.The outdoor center organizes a lot of ____________ activities
for the children. (energy)
15. She runs the business very ______________. ( efficient )
v
effectively
energy
energy
n
adj
energetic
V
efficiently
adv
4. 16. In order to improve _____________, we need to buy a new
machine(efficient )
17. They spent a _________ weekend at a country hotel. (luxury)
18. The battery needs to be _______________. (replacement)
19. We suggest ____________ the light bulb. It is broken.
( replacement )
20. No doubt that there will be a great _______________ of food
for the world’s population. ( short )
V
adv
efficiently
n
luxurious
adj
V3/ed
replaced
+V-ing
replacing
adj
shortage
n
5. 21. ___________, it is English that helps you apply for a good
job ( ultimate)
22. They carry out one _____________ after another ( innovate )
23. There have been many ____________ in the field of
electrical engineering. ( innovate)
24. Costs have been ____________by 20% over the past year.
( reduction)
adv
Ultimately
innovation
innovations
v
+ n
+ Ns
+ V3/ed
reduced
6. 25. In the modern world, it is no longer ____________ to use
animals for food, clothing or medicine thanks to various
advances and breakthrough in science and technology. ( need )
26. My recent water bill is _______________. ( enormously )
27. I’m ___________ grateful for your help ( enormous )
28. Many students made __________ on how to help the new
members ( suggest )
be + adj
necessary
be + adj
enormous
enormously
be adj
adv
suggestions
7. 29. Health- conscious ___________ want more information about
the food they buy. ( consume )
30. He is the most ______________ activist in the town ( effect )
31. Her _____________ was cut off when she didn’t pay her bill.
( electric )
32. Natural resources must be used ____________ to avoid waste.
( efficiency)
33. She worked ________________, so she was fired ( effect )
34. Water ______________ is increasing this summer. (consume )
consumers
adj n
n
adj
effective
n
electricity
v adv
efficiently
v adj
ineffectively
consumption
