It is such a robot which is very clever这句话对吗

问题描述:

It is such a robot which is very clever这句话对吗
such面用which或者that作定语从句引导词可以吗?还是一定要用as?

对.It is such a robot which is very clever这个句子中,a robot 为先行词,属于物,因此关系代词应用which或者that.但是不能用as,因为as不能作关系代词.