III. Chia động từ trong ngoặc ở thể chủ động hoặc bị động thì tương lai sao cho thích hợp 1. If we don’t use fossil fuel efficiently, we (run) …..out of it soon. 2. Solar power (use)……..as the main source of energy in many countries in the future. 3. …….(many people/ attend) this conference? 4. Our family (use)……….the new type of bulb to save energy. 5. People (allow)………..to destroy rainforests any more. 6. The government (put)……..natural resources under protection. 7. Solar panels (see)………in many parts of the world. 8. My grandfather doesn’t believe that electricity (generate)……..by the wind.