3. Look! Mr Tan is talking about renewable energy.
4. We should obey road signs strictly.
5. It is about 500 meters from my school to the Post office.
6. I will not use a solar-powered ship because I'm afraid of water.
7. Look! Doreamon is flying in a bamboo copter in the film.
8. Wel, to save our energy, we will reduce the use of electricity.
9. There are always traffic jams during rush hours.
10. How will you travel from one place to another?