I don’t know why they are standing there.（改同义句）

I don’t know why they are standing there.（改同义句） I don't know how I can get to the airport(改同义句） I.don't know I don't know how to get there~同义句~ i don't know which bus i should take.(改同义句） because i'am new here,i don't know the way.（改同义句） they don’t know how to enjoy themselves (同义句）they don’t know they don't know where they should go怎么改同义句 句型转换：改同义句1、I don't know where I can go today.I don't know __ I don't know改成同义句 i don't know 同义句 i don't know的同义句 I don't know?的同义句