This is 和 It's 有什么区别?例如：This is my private letter.It's my private letter.

This is 和 It's 有什么区别?例如：This is my private letter.It's my private letter. It's和This is的区别?Whose's this pen?It's my son's.This is his pen.这是课本中的原话,可到了做练习的时候题目答案是这样的：Whose's this dress.It's my son's.It's his dress.请问This is和It's有什么区别?这样用对么? what is 和what's有什么区别** is 和 **'s是怎么用都行吗? 比如 what is & what's it is & it's this is & this's 8 is 和what's 有什么区别** is 和**'s是怎么用都行吗？比如 what is & what's it is & it's this is & this's Is this jim's shirt?和Is this shirt Jim's 有什么区别? it is warm in this room和it warm in this room有什么区别? this is 与 it is有什么区别 还有 what is it 与 what is this 如何回答 Whose is this 是说It's ...还是 This is...有何区别同理。Is this...是回答It's 还是 This is...有何区别？ It is not my shirt 和 This is not my shirt ,有什么区别 is 和is it 有什么区别 it's not you,is it?和it's you,isn't it?的意思一样么?有什么区别? It's和Is it的区别顺便告诉一下 比如Father,Father’s和Fathers'有什么区别 this is not my ... 和 it isn‘t my ... 有什么区别么? it's和it的区别和用法it's和it有什么区别 its和it's有什么区别 英语翻译this is 和 it was 有区别么 It's a cup 和 This is a cup有什么不同 this is it 和is this it的区别