$#trinhthiminhanh$
$@blink$

$\textit{2. The problem of energy shortage will be solved by using solar energy.}$

$\textit{3. A new hydropower plant will be built by the govenment to meet increasing demand.}$

$\textit{4. In the coming decades, renewable energy will be used (by us) everyday.}$

$\textit{5. Will all the world's oil be used (by us) in the next 100 years ?}$

$\textit{6. Solar panels will be placed on the roofs of houses to produce hot water and electricity.}$

$\textit{7. Coal, oil and gas won't be replaced by alternative energy anytime soon.}$

$\textit{8. Will fossil fuels be complete replaced by renewable energy in the future ?}$

*) Công thức :

Chủ động : S + will/won't + V

Bị động : S + will/won't + be + V(ed/quá khứ phân từ)