whose is this pen?It's my daughter's.It's her pen.

Whose pen is this?It’s _____ (我的).Whose pen is that?It’s ___ Whose is this dress?It‘s my daughter’s .It’s her dress. this is( )my pen.it's( )pen.( )里填空 whose pen is this?is it yours?no it's not mine.maybe it's() this is () pen,but it's ()broken pen Is this your pen Yes,I think it's her pen. It"s my pencil case.What"s in it?Look,this is a pen. What's this?——___.(①It's a pen.②This is pen.③This is an pen. what is this ?It is a pen而不是It is pen.但为什么what's this? It's Is this Lisa’s pen ? —yes,it’s（ ）pen is this your pen?----yes,it's. 改错 This pen is not mine.It's (she）