Ex 1. Make sentences, using the words and phrases below to help you. You can change the words / phrases or add necessary words. 1. The teacher / give a talk / renewable energy / now. 2. The workers / build / huge hydro power station / this year. 3. The students / not study Unit 10 / at the moment. 4. Nowadays, people in rural areas / use energy from the sun. 5. The government / increase taxes on electricity / save energy. 6. We / reduce the use / nuclear energy / nowadays.