You must close the windows.改为同义句 You must ----- the windows

You must close the windows.改为同义句 You must ----- the windows You must close the windows at night.（改为祈使句） We must close the windows when we leave.(同义句) Could you please close the windows?改为祈使句 member to close the windows when you leave the office (改成同义句 It's cold today.Why don't you close the windows?同义句 We must keep all the windows -----.A close B closed You must clean the floor 改为同义句( ) ( )the floor You must close your eyes.(改为同义句） open the windows please.改为同义句 You must keep the door closed .( 改为同义句) You must return the book on time改为同义句