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
a
2. The electrician
3. Our teacher
4.
the plumber
your father
5.
6. What will you do
7. We will walk to school
AN
8. My uncle
9. We
a
lot of money on heating because it was very cold.
low energy light bulbs in the classrooms at the moment.
video on types of renewable energy sources yesterday.
cracks in the pipes in the bathroom now?
the electricity bill last week?
carbon footprint?
fit and protect the environment.
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