IX. Fill in the blanks with the correct form of a suitable verb.
put install use show reduce
keep pay check take spend
1. Last year, we
Spept
a
2. The electrician sehing low
3. Our teacher
a
4. is
erechtig
the plumber
your father
5.
did
6. What will you do to reduce
7. We will walk to school
8. My uncle
9. We
lot of money on heating because it was very cold.
energy light bulbs in the classrooms at the moment.
video on types of renewable energy sources yesterday.
cheen cracks in the pipes in the bathroom now?
the electricity bill last week?
carbon footprint?
fit and protect the environment.
the new glass in the windows to stop heat escaping tomorrow.
a test on sources of energy at present.
10. People in developing countries
these days.
energy from the Sun, the wind, and the water