To skate on this thin ice is dangerous for you.（保持原句意思）

To skate on this thin ice is dangerous for you.（保持原句意思） This ice is too thin to skate on.(保持句意不变) This ice is------- The ice is too thin for us to skate on.的同义句（2） The ice is too thin for us to skate on.（改写同义句） The ice is too thin ____ us to skate ____ A for / B to on C The ice is too thin.You can't skate on it.改为同义句 The ice is too thin for you to walk on .等于The ice is so thin The ice is too thin for you to walk on.(被动语态) The ice is__ _ the ice is too thin ------ A to skate on it B skating on it The ice is not thick enough for you to skate on the ice is so thin that wen can't skate on it 同义句 The ice is so thin that you can't skate on it