六年级上册英语用适当形式填空专项提升50道

六年级上册英语用适当形式填空专项提升50道学校：姓名：班级：考号：1.We can do more exercise(keep)healthy.2.It's“No(smoke)".It means you can't(smoke)here.3.Smoke from factories and cars(make)the air dirty.4.Water is very important.We use it(clean)things every day.5.-We can(plant)more trees in the park.-Great!6.Some(factory)moved away from the city a few years ago.7.-What(make)our city dirty?-The rubbish and the smoke(make)our city dirty.8.Can you tell us how(reuse)these plastic bottles(make)a toy?9.As we all know smoke from factories(make)the air very dirty.10.(keep)our classroom clean,we should sweep the floor every day.11.There(be)some rubbish and dead fin the river.12.Black smoke from these(factory）(make)the air dirty.13.(keep)our classroom clean,we should sweep the floor.14.They(move)the factory away from the city next year.15.The banana skins are on the ground.Please pick(they)up.16.There were a lot of(factory)in our city two years ago.17.Can you find any(bin)in the street?18.The fish in the riverdead because therea lot of rubbish in it now.(be)19.-Listen!Who(cry)in the bedroom?-I think it's Helen.20.The old man often(walk)to the shopping centre on Sundays.