1. Here are some simple things you can do to save energy in the classroom

2. If you don't need them, turns off the lights

3. When it's hot, open the window instead of air conditioning

4. when it's cold, close the door to keep more heat in ( xem lại C4 giúp mình không bt mk làm đúng ko )

5. If you have sink , do not let water run

6. Unplug things such projects as : computers, lamps when they are not in use

7. Turn off fan on wind day

electricity - điện

shopping

harmful smoke: khói có hại

be polluted: bị ô nhiễm

useful information: thông tin có ích

refillable: có thể làm đầy lại

reusable (a): có thể dùng lại

We should turn off all the lights and fans before we _leave____ the classroom.

Leave

We should turn off all the lights and fans before we ___leave___ the classroom.

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

leave nha

Chào em, em tham khảo nhé!

We should turn off all the lights and fans before we leave the classroom.

Tạm dịch: Chúng ta nên tắt tất cả đèn và quạt trước khi rời lớp học.

Chúc em học tốt và có những trải nghiệm tuyệt vời tại olm.vn!

olm là gì cô

1. Turn off the lights when you leave the classroom.

2. They wondered what to do to make Linh feel happier.

3. I suggest we should raise money for charity.

4. The mother was happy to know that her daughter had enjoyed herself at the party.

- Turn the lights off when you leave the classroom.

(Tắt đèn khi bạn rời khỏi lớp học.)

- Turn off electrical appliances when they are not in use.

(Tắt các thiết bị điện khi không sử dụng.)

- Check that none of your taps around the school are dripping.

(Kiểm tra xem không có vòi nào của bạn xung quanh trường đang nhỏ giọt.)

III. Rewrite these sentences

1. Don’t leave the lights on when you leave the classroom. (off)

=> Remember to turn off the lights when you leave the classroom.

2. “What should we do to make Linh feel happier?” they wondered.

=> They wonder what to do to make Ling feel happier.  

3. Why don’t we raise money for charity?

=> I suggest raising money for charity.

4. I play football better than my brother

⇒ My brother doesn't play football as well as me.

⇒ My brother plays football worse than me.

5. We can cook worse than him

⇒ He can cook better than us.

⇒ He is better at cooking than us.

6. John didn’t speak English as fluently as Mary

=> Mary spoke English more fluently than John.

7. 'Should 1 tell this to her?’ he asked himself

- He wondered whether to tell that to her.

8. “Have you ever tried calling a helpline?” the teacher asked Ngoc.

The teacher asked Ngoc if she had ever tried calling a helpline.

 Don’t forget to ________ the lights when leaving a room or going to bed.

A. turn​B. turn on​​C. turn off​D. turn out

What should we do to __________ our electric bills?

A. fall​​B. cut down​​C. drop​D. reduce

The use of biogas for cooking _______ in the countryside.

A. will increase​B. will be increasing​​C. will be increased​​D. will have increased

We will be successful if we try hard, _____?  

A. don't we ​​B. will we ​​C. won't we ​​D. do we 

With the Segway, the driver pulls the handle to go back or pushes it to go​.

​A. forward​B. backward​C. round​D. fly

The city is working on a project ________ slums with clean water.

A. providing​​B. provide​​C. to provide​D. to providing

In that country, over 30% of the population live in ________.

A. poor​B. poorer​​C. poverty​D. the poor

 Children who ________ malnutrition can have a lot of diseases.

A. suffer from​​B. avoid​​C. gain​D. obtain

There are more problems in the slums than in the ________ areas.

A. wealth​B. richness​​C. wealthy​D. country

___ is quite popular in an overcrowded city where you can see people sleeping in a park or under a bridge.

A. Homeless​​B. The homeless​​C. Homelessly​D. Homelessness

"Life must be very difficult with homeless people."

“_____. They have to face many problems beyond the lack of a suitable home." 

A. Not really. ​B. No doubt. ​​C. Of course not. ​D. Not at all.

1A

2B

3B

4D

5C

6C

7C

8A

9C

10B

11B

mình ko chắc chắc chắn vài câu nhé

 Don’t forget to ________ the lights when leaving a room or going to bed.

A. turn​B. turn on​​C. turn off​D. turn out

What should we do to __________ our electric bills?

A. fall​​B. cut down​​C. drop​D. reduce

The use of biogas for cooking _______ in the countryside.

A. will increase​B. will be increasing​​C. will be increased​​D. will have increased

We will be successful if we try hard, _____?  

A. don't we ​​B. will we ​​C. won't we ​​D. do we 

With the Segway, the driver pulls the handle to go back or pushes it to go​.

​A. forward​B. backward​C. round​D. fly

The city is working on a project ________ slums with clean water.

A. providing​​B. provide​​C. to provide​D. to providing

In that country, over 30% of the population live in ________.

A. poor​B. poorer​​C. poverty​D. the poor

 Children who ________ malnutrition can have a lot of diseases.

A. suffer from​​B. avoid​​C. gain​D. obtain

There are more problems in the slums than in the ________ areas.

A. wealth​B. richness​​C. wealthy​D. country

___ is quite popular in an overcrowded city where you can see people sleeping in a park or under a bridge.

A. Homeless​​B. The homeless​​C. Homelessly​D. Homelessness

"Life must be very difficult with homeless people."

“_____. They have to face many problems beyond the lack of a suitable home." 

A. Not really. ​B. No doubt. ​​C. Of course not. ​D. Not at all.