Exercise 1. Choose the best answer. 5. The children …………..to school because it’s snowing. A. are walking B. will walk C. will be walking D. won’t be walking 6. Solar and wind …………..instead of fossil fuels within 20 years? A. are used B. will be used C. will use D. will be using 7. Humankind’s future…………….bright if they can utilize renewable energy in the future. A. is B. was C. will be D. won’t be 8. Where …………..in ten years? A. do you live B. are you living C. will you be lived D. will you be living 9. We ……………able to create a future that’s free of carbon pollution by using renewable energy sources. A. will be B. won’t be C. will be being D. will have been 10. Solar panels ……………….outdoors to capture sunlight and transform it into electricity. A. will place B. will be placing C. will be placed D. will have placed