People should know the _____________ (important) of protecting the environme

People should know the _____________ (important) of protecting the environme 英语翻译i don't know if i should i don't know if i should i don't know if i should i don't know if i should i don't know if i should i don't know if i should i don't know if i should i don't know if i should i don't know if i should i don't know We don't know what should ____to stop people _____rubbish about.A.to do ,throwing B.do,from throwing C.to do,throwing D.be done ,throwing I don't know what I should do 同义句 We don"t know what we should do next she doesn,t know what should do改为同义句 She doesn't know what she should do.(同, I don't know what i should do（同义句) 句型转换l don't know when l should leave what should I do 同义句I don't know ( )( )( ). I don't know I should keep them. i don't know where i should goi don't know ______ ______ ______ I don't know which sportswoman I should support同义句:I don't know( )( )( )( ). I don't know what should I do转变I don't know()()() ou?I don't know what I should do?maybe you don't know either People should be good______wild animals.Don't scare them______. Some scientists t( ) that people should also take catnaps. I don't know which sportswoman I should suI don't know which sportswoman I should suport.=I don't know ( ) ( ) ( ) ( ).