Question

11.Complete each sentence with two words.

(Hoàn thành mỗi câu với hai từ.)

1 ……………… are limited and cause pollution.

2 ……………… is not new to us because we use it every day.

3 ……………… catch the sunrays and change them into electricity.

4 In the past, sailors used ……………… to sail their ships to different areas.

5 Both solar energy and wind power are ……………… sources of energy.

 

Answer 1

1.fossil fuels

2.solar energy 

3.solar panels

4.wind

5.environmentally friendly