it ,this ,that,these,those 用于指代前面句子的成分的区别?

these this that it哪个是不同的 that this these those用法. these,this,that,those,it,they等的用法和区别 one/ones/the one/it/that/those/this/these分别代指什么? it ,this ,that,these,those 用于指代前面句子的成分的区别? Maria finds ____difficult to translate these sentences.A.it B.this C.that D.she this kind of phone has so many fu____ that it sells well these days this that these those的用法 this that these those 有什么区别? 用this,that,these,those完成句子 this that these those求答案 用that this those these造句 what is this和what is that的回答与区别 what are they和what are these/those的回答与区别.是this is /that is.还是it is /it's是they are these are /those are this ( ) ( book) these(?)( book) this(this ( ) ( book)these(?)( book)this( ) (key)these(?)(key)that(?) (box)those(?)(box) It's much colder in Nen York in winter than( )of in Nanjing.填代词：this that these those急. Jenny finds ( ) difficult to translate these sentences.A.it B.this C.that D.she请问应该填什么啊, 在回答this/that和these/those的疑问句时,( )代替this/that,( )代替these/those. that this it的区别