1 we shouldn't .............................. rubbish on the street
A/ THROW B/ REUSE C/ WRAP D/ TURN Off
2 ....................... means giving things to people who are in need
A/ SWAP B/ CHARITY C/ REUSE D/ RECYCLE
3 If we use ..................paper, we will save a lot of trees
A/ Fewer B/ less C/ MORE D/ MUCH