选择填空 （）1.--I often saw then ( ）on the playground last year A.play soccer B.playing

选择填空 （）1.--I often saw then ( ）on the playground last year A.play soccer B.playing
选择填空
（）1.--I often saw then ( ）on the playground last year
A.play soccer B.playing soccer C.to play soccer
（）2.（）pollution is harmful to your ears
A.Air B.Water C.Noise
（）3.Look,there is a cat（）a tree over there
Aclimbing .B.climbed C.climb
（）4.I have （）questuons to ask you
A.Too much B.too many C.much too
（）5.-We should（）our classroom every day and keep it ()
A.to clean ,clean B.clean ,cleaning C.clean ,clean