WE SHOULD REDUCE AIR POLLUTION.

• TRUE

• FALSE

PEOPLE MUST USE THEIR OWN CARS TO PREVENT THE AIR POLLUTION.

• TRUE

• FALSE

WE HAVE TO KEEP THE ENVIRONMENT CLEAN.

• TRUE

• FALSE

PEOPLE MUST USE PUBLIC TRANSPORTATION.

• TRUE

• FALSE

WE HAVE TO RECYCLE WASTE MATERIALS.

• TRUE

• FALSE

PEOPLE DON'T HAVE TO SAVE ENERGY.

• TRUE

• FALSE

WE MUSTN'T USE RENEWABLE ENERGY SOURCES.

• TRUE

• FALSE

WE MUST HUNT THE WILD ANIMALS.

• TRUE

• FALSE

PEOPLE DON'T HAVE TO USE FOSSIL FUELS.

• TRUE

• FALSE

WE MUST WASTE WATER.

• TRUE

• FALSE