Whose pen is this的答句?Whose is this pen?的答句答：这是我的书

Whose pen is this的答句?Whose is this pen?的答句答：这是我的书 Whose pen is this 和Whose is this pen的区别在哪里 whose pen is this与whose is this pen的区别 whose present is this?的答句 who else's pen is this?的同义句 whose else=who else’s吗? Whose pen is this?It’s _____ (我的).Whose pen is that?It’s _____ (我的) pen 中文意思：whose pen is this? whose else is the pen的同义句 Whose is than pen?的同义句_______ _______is that. Whose skirt is this的同义句? Whose sweater is this的同义句 whose ruler is this的同义句 this is my pen的同义句 Is this his pen?答句 Whose pen is it?同义句Who_ _ pen? 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 is this pen?It looks ______ yours.介词急 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