Peter and Ben are both in Class One. They are ___________. A. brothers B. friends C. classmates
Do you know how________a kite?A.make B.to make C.making
We should ________ quiet in class.A.be B.to be C.being
There are many wild animals________in the world.A.live B.lives C.living
We waste too________ water.A.any B.many C.much
________ you want to keep our planet beautiful?A.Not B.Don't C.Can't