7. i suggest switching off the casstsle player.

8. Don't forget to turn off the fan when you are out.

2. Electricity can be produced from any of energy sources.

5. you should reduce the amount of eclectricty your family uses.

3. most of the nuclear of power comes from the use of our electricity, coal, gas and oil

4. A lot of countries in the world are already using solar energy 

 MÌNH CHỈ LÀM ĐƯỢC NHIÊU ĐÂY THUI, SORRY BẠN

1.If we didn't waste energy,our resource would last much so longer.

2.Electricity can be produced from any of energy sources.

3.Most of the nuclear of power comes from the use of our electricity, coal, gas and oil

4.A lot of countries in the world are already using solar energy 

5.You should reduce the amount of eclectricty your family uses.

6.Don't forget to turn off the fan when you are out.

7.I suggest switching off the casstsle player.

Câu 8 mik ko biết làm,bạn thông cảm nhé.

Chúc bạn học tốt ^_^!!!
(Nếu thấy hay hãy vote 5*,cảm ơn và bình chọn là câu trả lời hay nhất để mik có động lực giải tiếp các BT khác nhé!)