He cannot run so/as fast as you.这句you后面是不是省略掉了什么?

He cannot run so/as fast as you.这句you后面是不是省略掉了什么? He cannot run so/as fast as you. He doesn't run so fast as you do.（改为肯定句） You run I run as fast as I can Run as fast as you can,and you can catch up with others.同义句 When can you run as fast as a horse? 英语智力题When can you run as fast as motorcycle? He doesn't run as fast as Jim.和He doesn't run so fast as Jim We 'll run as fast as possible 改同义句 We'll run as fast as ( ) His best friend cannot swim as fast as him.(改为同义句) He ------ Tom did`t run so fast as Jim.改为肯定句 Tom ran＿ fast Some times you have to run as fast as you can just to stay i