UNITS 1-10 REVISION UNITS 1-10 9. There is a news programme on TV. Today, Professor John Ray is speaking. ee John Ray Ms. Sarah: The temperature of the world is increasing day by day. It causes that ice melts in the poles. What precautions should people take? Professor: People should ---- Choose the best option to complete the dialogue. A) use renewable energy at home C) kill the endangered animals B) pollute the oceans with chemicals D) destroy rainforests Ms. Sarah​