IV. Write sentences using the following prompts

 1. Coal/ cheap/ easy/ use

 2. Hydropower/ clean/ cheap

 3. Wind power/ clean/ renewable/ noisy

 4. Natural gas/ cheap/ non-renewable

 5. Motorbikes/ popular/ cheap/ pollution

 6. microwave ovens/ convenient/ save money

 7. Airplanes/ fast/ convenient/ save money

 8. Cars/ convenient/ expensive

 9. Bicycles/ clean/ cheap/good for healt