Hange the sentences into the passive voice

----- Nội dung dịch tự động từ ảnh -----
hange the sentences into the passive voice:
will use sources of energy more effectively for our future.
urces of energy
y will use low energy light bulbs.
w energy light bulbs......
d power will offer a great deal of energy next century.
reat deal of energy.....
y will build a hydro power station in the North of the country next decade.
will solve the problem of energy shortage by using solar energy.
problem of energy shortage
ke questions for the underlined parts:
father bought this T-shirt for me in Da Nang.
went to the Flower Festival in Da Lat last year.
month I went to Hue with my parents.
festival is held in my country every two years.
- decorate their house with beautiful Christmas trees.