which,what ,it,that中哪个可以作连词

which,what ,it,that中哪个可以作连词 which, what ,it,that中的哪个可以作连词 That Which What选择哪个? what which that it 有什么区别 在从句中 选哪个,请给出原因.A.It B.What C.That D.Which which和what作连词时有什么区别 选择题中如何选that what which等作引导词 定语从句引导词that、which 在从句中作宾语、表语时可以省略. as that it what which 在从句中要如何区别选出正确答案? 英语中that.what.it.where.which怎么用?怎么区分? 定语从句中的who,whom,which,that,what,it,as,怎么用,总是分不清什么时候用哪个 that which where what how why那几个词在从句中可以省略,为什么?