Don't leave rubbish at school.

Don't leave rubbish at school. Don't leave rubbish. don't leave rubbish Don't leave rubbish(保持句意不变） They _____ 　＿＿＿＿　　at　the　hall　at Don't leave rubbish at the zoo.这句话有什么问题,是介词错了吗?应该怎么改? Don't leave rubbish everwhere!(句意相同或相近) don't leave rubbish on the ground.(句意不变) Don't leave rubbish 换一种说法,意思不变 He told me something .Don’t leave rubbish.(合并成一句 是Don't leave rubbish(保持句意不变）You　＿＿＿ _________ leave rubbish Don't climb the trees!为什么用the而Don't leave rubbish!不用the Don't leave rubbish on the ground.（同义） You ( ) ( ) to leave