Unit 11 looking back

Choose the correct answer.

A teleporter is___________, so it does not cause pollution.

• cheap

• eco-friendly

• uncomfortable

• fast

Choose the correct answer.

A solowheel_________ electricity, so it is safe for the environment.

• go on

• fly on

• runs on

• ride on

Choose the correct answer.

A convenient way to go to school is by___________. Just put it on and fly away.

• car

• bike

• solar powered ship

• bamboo-copter

Choose the correct answer.

You can sleep when you travel by________ car

• fast

• eco-friendly

• driverless

• petrol

Choose the correct answer.

_________ are faster and greener than normal trains.

• Hyperloops

• Bullet trains

• Flying cars

• Solar-powered ship

Find ONE mistake in each sentence.

My motorbike is an electric one. Her is not.

• My

• an

• electric

• Her

Find ONE mistake in each sentence.

Her car can carry 4 passengers. Our can carry seven passengers

• her

• can

• our

• passengers

Find ONE mistake in each sentence.

Their car runs on petrol. My runs on solar energy.

• My

• their

• runs

• on