Whose is this pen 和whose is that pen 什么区别,什么时候用this,什么时候用that

Whose pen is this 和Whose is this pen的区别在哪里 Whose is this pen 和whose is that pen 什么区别,什么时候用this,什么时候用that 中文意思：whose pen is this? whose pen is this与whose is this pen的区别 who does this pen belong to结构和直译意译的分析!求解thanks还有whose pen is this Whose pen is this?It’s _____ (我的).Whose pen is that?It’s _____ (我的) pen Whose is this pen?It looks ______ yours.介词急 Whose pen is this的答句?Whose is this pen?的答句答：这是我的书 This is( )good pen ( )color of theWis biack Whose pen is this—Oh,it is 后面填什么 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? whose is this pen?It's my daughter's.It's her pen.请问这句话对么? do you know ……小小语法whose pen this is whom the pen belong to 两个好像都可以. who else's pen is this?的同义句 whose else=who else’s吗? 你发现地上有一支钢笔,你想知道是谁的,该怎样问?A.Who is this B.Whose is this pen?C.whose penthis is? Whose book is this? Whose ruler is this? whose is this book?