_______ has already been pointed out,grammar is not a set of dead rulesa.There b.If c.Such d.As
问题描述：
_______ has already been pointed out,grammar is not a set of dead rules
a.There b.If c.Such d.As
答
d！错了管换！
答
D
答
d.As
As 在这里引导的时定语从句
答
a
答
d.AsAs 在这里引导的时定语从句,与which,that等引导的定语从句不同的是,as在定语从句子中代指的不是某一个词,而是整个主句所指的内容：is not a set of dead rules（语法不是一串死的规则）.翻译的时候可以翻译成“...