一篇初二英语完形填空,Chinese people are working hard to make Beijing a

一篇初二英语完形填空,
Chinese people are working hard to make Beijing a green city.They are studying ways of transplanting (移植) trees 16 forests into the city.Many students have joined the Environment-protecting Club to make Beijing 17 .In the club,students work hard together 18 our environment.Here 19 some things they do.Collect rubbish The Environment-protecting Club asks students 20
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