we have no chiose but ___ it

短文填词 If you have a chiose,b( ) one large bottle of water instead of s( )ones.
take a s( )bag with you to the supermarket.Reusing bags can reduce the number of plastic bags that are thrown away.When you go upstairs,use the stairs instead of the lift.This cannot only save electricity,but also k( )you fit as well.Don't use throw-away chopsticks,palsic bags or paper l( )boxes.Don't always drive a car if you have one.Try talking a bus s( ).And walking and riding a b( )are very good lom-carbon ways.Don't eat too much m( ).If you do so,you hurt at least t( )things--animals,the earth and y( ).