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 power

5. environmentally friendly