1. (2022六上·太原期末) 从方框中选择正确的单词或短语，用其适当形式完成保护地球的倡议书。

●cut down so many trees ●recycle glass and paper ●throw rubbish into rivers ●pick up rubbish ●dirty

 

Save the Earth! In the past, the Earth was clean, but now some parts are We should We should We should stop We should stop