VII . Fill in the blank in the following passage with ONE suitable word from the box :

students ; bulbs ; coal ; off ; rural ; electricity ; natural ; energy ; save ; wastes .

With the development of science and technology , more and more (1)...energy...... is used every day . Nowadays , many (2)......rural....... areas in Vietnam have been electrified , and more (3)....... electricity....... is needed . If everyone (4) ......wastes........ energy , it will quickly run out , (5).....students ....... at school should learn how to (6).... save..... energy , for example , they should turn (7)......off......... the electric lights when they leave their classrooms .

Moreover , we may waste electricity at home if we use a lot of light (8)..... bulbs......... By not wasting energy , we will save a lot of (9) ......natural........... resources , such as (10)....coal...... and oil .

(1) energy

(2) rural

(3) electricity

(4) wastes

(5) students

(6) save

(7) off

(8) bulbs

(9) natural

(10) coal

energy / electricity

electricity

V fill in each blank with on corect word

36 If we turn off the lights when are not using them, we will save a lot of _electricities_

Put the following words in the correct order to make meaningful sentences.

1. people/there/less/pollution/if/recycle/be/air/more/will//.

==>If people recycle less,there will be more air pollution.

2. solar energy/save/fossil fuels/resources/instead/we/of/natural/by/can/using//.

==>We can save natural resources by using solar energy instead of fosssil fuels.

3.should/amount/your/uses/the/you/of/family/reduce/electricity//.

==>You should reduce the amount of electricity your family uses.

4. brush/the dishes/off/you/or/wash/turn/when/your/the tap/teeth//.

==>Do you wash the dishes or brush your teeth when you turn off the tap?

5.recycle/material/save/students/they/if/energy/will/and/recycled/use//.

==>If students recycle material ,they will save energy and recycled use.

1. people/there/less/pollution/if/recycle/be/air/more/will/.

=> If more people recycle, there will be less air pollution.

2. solar energy/save/fossil fuels/resources/instead/we/of/natural/by/can/using/.

=> We can save natural resources by using solar energy instead of fossil fuels.

3. should/amount/your/uses/the/you/of/family/reduce/electricity/.

=> You should reduce the amount of electricity your family uses.

4. brush/the dishes/off/you/or/wash/turn/when/your/the tap/teeth/.

=> Turn off the tap when you brush your teeth or wash the dishes.

5. recycle/materials/save/students/they/if/enery/will/and/recycled/use/.

=> If students recycle and use recycled materials they will save energy.

1. Scientists are looking forward to the alternative energy sources

2. I suggest not turning the lights on when the room is light enough

3. It is necessary to use energy-saving bulbs instead of ordinary bulbs

4. You should reduce the amount of electricity your family uses

5. If we go on wasting water, there will be a shortage of fresh water

6. Energy-saving bulbs should be used to save electricity

7. The solar energy that gets to the Earth can't provide enough power for the world's population

8. I think we should turn off all the lights and fans before leaving the classroom

9. How about taking a shower instead of a bath to save water ?

10. If we go on littering, the environment will become seriously polluted

1. The Browns last painted the living room two year ago

-----> The Browns have........painted the living room for two years......

2. You should reduce the volume at night

------> You should turn.....down the volume at night ...........

3. If we use solar energry, we can save natural resources.

------> By.........using solar energry, we can save natural resources..................................

4. Use/ we / should / after / turn off/ the light ?

-------> .............should we turn off the light after using......

1. My home hasn't installed a solar water heater. If/ my home/ install/ a solar water heater/ we/ save a lot of energy.

➞ If my home installed a solar water heater , we would save a lot of energy.

2. Not all households in Viet Nam turn off lights during the Earth Hour. If/ all households/ Viet Nam/ turn off lights/ the Earth Hour/ we/ save enough electricity/ develop our rural areas.

➞ If all households in Viet Nam turned off lights during the Earth Hour, we we would enough electricity to develop our rural areas.

1. If my home installs a solar water heater, we will save a lot of energy

2. If all households in Viet Nam turned off lights at the Earth Hour, we could save enough electricity to develop our rural areas

1, They will be travelling to Russia this time next week

2, What should we do to save natural energies?

3, Solar energy will be used in our city next year.

4, We will solve the problem of energy shortage by using solar energy.

5, We will going out before when the light turn off

1. Lan is (intelligent) ....more intelligent........ Hoa in the first semester.

2. I'm tired. I'd like (sit) ......to sit....... down.

3. Is Mai (eat) ....eating....... a bowl of noodles at the moment?

4. That is (heavy) .....the heaviest....... traffic I have ever seen!

5. My mother could (play) ...play........... piano when she was 6 years old.

6. Shall we (turn) ....turned........ off the light to save electricity when nobody is in the room.

7. We (pass) ....will pass......... If we studdy harder.

8. Da Nang is (fame) ......famous....... for the beaches.

1. ....more intelligent than....

2. ..... to sit .....

3. Is Mai eating......

4. the heaviest

5. play

6. turn

7. will pass

8. famous

1. Lan is more intelligent Hoa in the first semester.

2. I'm tired. I'd like to sit down.

3. Is Mai eating a bowl of noodles at the moment?

4. That is the heaviest traffic I have ever seen!

5. My mother could play piano when she was 6 years old.

6. Shall we turned off the light to save electricity when nobody is in the room.

7. We will pass If we studdy harder.

8. Da Nang is famous for the beaches.