We have to/ has to reuse shopping bags.
have to
They has to/ have to turn off the water after use.
have to
Sarah have to/ has to turn off the lights when she leaves the room.
has to
I has to/ have to save water.
have to
She has to/ have to keep plastics away from beaches.
has to
I has to/have to recycle my old toys and old clothes.
have to
He has to/ have throw the trash in the trash can.
has to
She have to/ has to save the oceans.
has to
