*) What should we do to save our energy?

As you know, our energy has limitation, so we must save energy because of the following ways. Firstly, we have to turn off the electric appliances when we do not use them. Secondly, by using bikes or public transports instead of motorbikes or cars. Finally, we should not throwing all used papers and bottles. I suggest collecting them to reuse and recycle. Therefore, if we follow the above ways, we will not only save money but also conserve the energy.

1. Why don't you do the homework before class?

→I suggest the homework should be done before class

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

→We suggest using energy-saving bulbs to ave electricity

3. Let's clear up all the trash around the schoolyard.

→I suggest all the trash around the schoolyard should be cleared up

4. We should teach young children to care for the environment.

→I suggest young children should be taught to care for the environment

5. What about buying those products?

→I suggest that we should buy those products

6. Let's teach the children how to protect their health.

→I suggest the children should be taught how to protect their health

7. Let's collect garbage on the beach every morning.

→I suggest garbage on the beach should be collected every morning

8. Why don't we use energy-saving bulbs?

She suggests that energy-saving bulbs should be used

9. The teacher said to us, "Do your homework carefully".

→The teacher suggested that our homework should be done carefully

Use suggestions to write full sentences: to + V -để ( diễn ra mục đích)

1. The energy / from / sun / cheap and clean

-> The energy from the sun is cheap and clean

2. It / important / save / natural resources

-> It is important to save natural resources

3. It / necessary / teach children / the energy saving

-> It is necessary to teach children the energy saving

4. What / people / do / reduce / their household bills / future /

-> What will people do to reduce their household bills in the future ?

They / use / low energy lights bulbs / home.

-> They will use low energy lights bulbs at home

5. Energy - saving appliances / should / be used / save electricity

-> Energy - saving appliances should be used to save electricity

6. We / reduce / our use of electricity / save our energy.

-> We should reduce our use of electricity to save our energy

8. We / have / put / diferent kinds / waste / different places

-> We have to put different kinds of waste at different places

9. Many farmers / use / bio gas / for / cook / at / home

-> Many farmers use biogas for cooking at home

IV. Match the two half-sentences into the meaningful sentences (colum A with column B)

Column A

1. You should reduce...-c

2. He suggests taking...-e

3. I think...-d

4. Solar energy can be...-f

5. In Western countries, electricity, gas, and water are not....-a.

6. Energy-saving bulbs should...-g

7. If we go on wasting water...-h

8. Ba's hobbies are playing

Column B

a. luxuries but necessities.

b. and collecting stamps

c. the amount of water your family uses.

e. shower to save water.

d. we should take a shower instead of a bath to save energy.

f. cheap and clean.

h. there will be a shortage of fresh football water in a few decades.

g. be used to save electricity.

IV. Match the two half-sentences into the meaningful sentences (colum A with column B)

Column A

1. You should reduce...c. the amount of water your family uses.

2. He suggests taking...e. shower to save water.

3. I think...d. we should take a shower instead of a bath to save energy.

4. Solar energy can be...a. luxuries but necessities.

5. In Western countries, electricity, gas, and water are not.....

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

7. If we go on wasting water...h. there will be a shortage of fresh football water in a few decades.

8. Ba's hobbies are playing b. and collecting stamps

Column B

f. cheap and clean.

1. In Western countries, energy is cheap. F
2. Consumers can save money by using energy-saving bulbs. T
3. Labeling scheme is a good innovation which helps the European to save money and natural resources. T
4. Ordinary 100-watt light bulbs use a quarter of the electricity of standard bulbs. T
5. North American and European countries are interested in saving money and natural resources. T