Bài 1 :

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

2 . Will cracks on the water pipes be checked by the plumber in two days ?

4 . The old thermal power plant will be destroyed at the end of this year

5 . biogas will be being used for cooking and heating at this time next month

6 . Fossil fuels won't be burnt for energy in the future

8 . Electricity will be being provided at this time next year

9 . The tax on petrol will be increased to 15% next September

10 . Ordinary 100-wall light bulbs shall be replaced with with energy - saving ones