Review 4

In 2100, people ______ by teleporter.

• travel

• will travel

• are traveling

Saving energy helps you protect the _________ and save money.

• power

• environment

• government

You should _________ lights when not using.

• turn off

• turn on

• replace

Low-energy light bulbs use less __________ and last longer than regular ones.

• natural gas

• petrol

• electricity

Using ___________ to heat water helps saves electricity.

• solar panels

• gas heaters

• electric showers

Which energy source should we use more in the future?

• coal and oil

• solar energy

• natural gas

Which of the following is a non-renewable energy source?

• Solar energy

• Wind energy

• Coal

• Hydro energy

Rearrange the words to form a correct sentence:
/ is / Japan / the / country / a / in / small island / Pacific Ocean / . /

• D. In the Pacific Ocean is country Japan a small island.

• A. The Japan is a country small island in Pacific Ocean.

• B. A small island country is in the Pacific Ocean Japan.

• C. Japan is a small island country in the Pacific Ocean.

Which energy source is considered a cleaner and safer option for the future?

• Nuclear energy

• Non-renewable energy

• Renewable energy

• Natural gas

Nowadays, many countries __________ in electric transport to reduce pollution.

• are investing

• invests

• is investing

• invested