16. Flying cars will be shown to the public when it is finished

17. Solar  panels will be installed on the roof of our house next week

18. Biogas will be being used for cooking and heating at this time next month

19. Fossil fuels won't be burned for energy in the future

20. Tokyo has fewer billionaires than New york

21. How about going to the school cafeteria?

22. I was shocked at the ending of the film

23. Although she is young, she performs excellently

24. If you are not careful, you'll fall off your bicycle

25. My mother used to wash clothes by hand last year

26. I am interested in the film

27. These chemicals are sold everywhere in my hometown

28. The lights will be turned off by my children when going to bed