8. Solar panels will be placed on the roofs of houses and buildings. ….……………………………………………………………….. 9. The US spent 55 billion on energy research in 2015. ….………………………………………………………………… 10. We will use less electricity in the future (passive ) ….………………………………………………………………… 11. It’s about 8 km from my house to school. ….………………………………………………………………… 12.They decorated their classroom with the slogans on saving energy. ….………………………………………………………………… 13. They will show flying cars to the public when they finish it. - Flying cars ………………………………………………………………………………… 14.. We will be using biogas for cooking and heating at this time next month. - ………………………………………………………………………………………………….. 15. think/ I/ it's/ time/ to/ do/ to/ reduce/ in/ something/ traffic jams/ Vietnam. ____________________________________________________________________