Question

such things of ___you are not sure should be discu

ssed again 选项A which Bwhat Cas Dthose 为什么不选as 不是说先行词被such修饰时用as吗

Answer 1

这里是介词加关系代词的情况，本来应该是you are not sure of such things , 句子的主干是such things should be discussed again, 什么样的such things 呢？用定语从句 of which you are not sure 来修饰

Answer 2

答案选A which
先行词是things，of which引导定语从句

追问

不是说先行词被such修饰时用as吗

Answer 3

such as是例如的意思。这里是定语从句。as不能引导定语从句

Answer 4

A