G 4 Unit 11

Don't burn ........................ straw to keep the village clean.

• tomato

• rice

• carrot

Increase .................. transportation to have clean air.

• special

• private

• public

Have cleaner ................. in cars.

• gas

• milk

• juice

Use building materials that don't ................ the air.

• cycle

• pollute

• reduce

They often travel .................... car.

• by

• on

• under

• next

He goes to his office ................... foot.

• by

• on

• in

• to

My sister loves travelling .............. the train.

• by

• on

• in

• to

They prefer to go to school ................... bike.

• by

• on

• in

• to

He likes to travel ................. a ship.

• by

• on

• in

• to

A bus travels ................... the road.

• by

• on

• in

• to