As has been said above,grammar is not a set of dead rules.

As has been said above,grammar is not a set of dead rules. ( )has been said above ,grammar is a set of dead rules. （ ）has been said above ,grammar is a set of dead rules. As has already been pointed out,grammar is not a set of dead _______ has already been pointed out,grammar is not a set of ___ has already been pointed out,grammar is not a set of dea in a room above/as (have been) said above In a word与as it has been said above有什么区别 as has been mentioned above... 如上所述As is mentioned above , As has been mentioned above, As 英语翻译A segment is a set of extents,each of which has been all it has been said that there is no such thing as a sustainabl