This computer cost 600 dollars.(用it作形式主语,改为同义句)
问题描述：
This computer cost 600 dollars.(用it作形式主语,改为同义句)
答
it cost me 600 dollars to buy this computer
This computer cost 600 dollars.(用it作形式主语,改为同义句)
it cost me 600 dollars to buy this computer