People should( )trees. A.be kept to cut B,be kent from cutti

People should( )trees. A.be kept to cut B,be kent from cutti People should ____cutting trees A be kept to cut B be kept f We should stop people from" "(cut)down trees. We should stop people from cuts down trees.为什么cut People must_____down too many trees.A.stop from cutting B.be Our room must ___ clean.A.keep B.be kept C.to be D.kept What should be done to stop young people from smoking? Should students be allowed to cut classes? these young trees should() A.be taken care B.be taken care o secret should be kept...是什么意思? be kept to do 1.I cut my finger.I should be c__.2.We went to a flower show