This is That is There is It is 的分别

This is That is There is It is 的分别 is that it there A.This is B. There is C. That is D. It is 为什么选D? that is all there is to it this,is,it,that,my,的复数. （）is no news of tom there that this it 怎么分 there is ,this is ,it is It is said that there is another good harvest this year.此句怎样 It is said that there is going to [ ]in the CCTV news this e There is no doubt that ...& It is no wonder that... who is that boy,()is lee,that;this;it;he it is,that is,there is的区别是什么,请举类说明