1. ... Air is one of the many problems we have to solve.
A. Pollute
B. Polluted
C. Polluting
D. Pollution
2. If you want to save money, you should ... the amount of water your family uses.
A. Increase
B. Reuse
C. Reduce
D. Repair
3. These materials can be ... into another packaging products.
A. Recycled
B. Reduced
C. Reused
D. Removed
4. Crops are sprayed with ... to kill insects.
A. Fertilizer
B. Pesticide
C. Water
D. Dynamite
5. Because plastic bags are very hard to ... they will cause pollution.
A. Wrap
B. Collect
C. Litter
D. Dissolve
6. What are you looking ... ? - My picture book. I've lost it.
A. On
B. Off
C. After
D. For
7. The roof ... under the weight of snow last night.
A. Hurricane
B. Earthquake
8. We are going to ... the anniversary for our 50th wedding.
A. To celebrate
B. Celebrated
C. Celebrating
D. Celebrate

1. If you want to save money, you should ________the amount of water your family uses.

A. increase B. reduce C. adapt D. repair

2. In order to save electricity, an ordinary 100-watt light bulb can be replaced by a(n) ________.

A. energy-saving bulb B. energy-save bulb C. saving energy bulb D. save-energy bulb

3. You should get a (n)________to make sure there are no cracks in the pipes.

A. plumber B. mechanic C. electrician D. consumer

4. ________you take the train instead of the bus? It’s faster and cheaper.

A. Why not B. Why don’t C. How about D. Let’s

5. If we ________less paper, we ________the number of trees in the forests.

A. used/ will save B. use/ can save C. can use/ save D. use/ can

6. She won’t take all the suitcases ________she likes to travel light.

A. so B. but C. because D. therefore

7. She is very tired; ________, she has to finish her homework.

A. moreover B. so C. and D. however

8. - Is he an actor ________a singer? - An actor

A. and B. or C. with D. so

9. He was tired, ________he took a rest before continuing the work.

A. so B. and C. but D. if

10. Who looks ________your children when you are away from home?

A. for B. at C. after D. to

11. Why doesn’t she go ________with her university study?

A. in B. at C. to D. on

12. After coming home, she cleaned the floor ________cooked dinner.

A. but B. however C. moreover D. and

13. They didn’t understand the matter ________she didn’t ask for help.

A. but B. however C. moreover D. and

14. How about ________posters on energy saving and hanging them around our school?

A. make B. making C. to make D. to making

B. Rewite the following sentences :
1. Why don't we go to the canteen for a drink ?
--->.................
2. I want him to take showers to save water.
--->................
3. She went to bed early because of her sickness.
--->...............
II/
Are you looking for a cheap, clean, effective source of power that doesn't cause pollution or waste natural resources? Look no further than solar energy from our sun. At present, most of our electricity comes from the use of coal, and gas, oil or nuclear power. This power could be provided by the sun. One percent of the solar energy that reaches the earth is enough to provide power for the total population. Many countries are already using solar energy. Solar panels are placed on the roof of a house and the sun s energy is used to heat water. The energy can be stored for a number of days, so on cloudy days you can use solar energy, too.
1/ Questions :
a. What is solar power like ?
--->
b. Where are the solar panels placed ?
--->
VI / Give the correct form of the verbs :
1/ If we ( replace ).......... ordinary light bulbs with energy-saving bulbs, we can save a lot of money.
2/ I suggest that we ( use ).......... paper bags instead of plastic bags.
3/ Tuan ( porget ) .......... to turn off the television when he left for school.
4/ He suggested ( collect )........... garbage to protect the environment.
VII/ Write the sentences using the words provided :
1. it /necessary / you to reduce the amount / garbage you produce.
---> ..............................
2. Collect / plastic bags, empty cans and bottles then send them / factories / recyling.
---> ..............................
VIII. Choose the best option to complete each of the following sentences :
1/......... air is one of the many problems we have to solve.
A. Pure B. Polluted
C. Dust C. Pleasant
2/"................." means a piece of land full of rubbish.
A. junkyard B. treasure
C. hedge C. stream
3/ If you want to save money, you should ......... the amount of water your family uses.
A. increase B. reduce
C. adapt D. repair
4. I'm disappointed ............ people have spoiled this area.
A. that B. when
C. if D. how
5. Minh's English is excellent. He speaks .........
A. perfectly English
B. English perfectly
C. perfect English
D. English perfect
6. We couldn't go on a picnic as planned............. it was raining.
A. however B. but
C. because D. so
7. If you are busy, we........... this by ourselves.
A. will do B. did
C. would do D. doing
8. I suggest ........... showers instead of talking bath.
A. take B. talking
C. to take D. to talking
9. Scientists are looking for an ............ way to reduce energy consumption.
A. effect B. effects
C. effective D. effectively
13. He was born............. March 25, 1992.
A. at B. on
C. in D. for
-- Giúp mình trước 16h hôm nay nhé --
Thank you !