Is that your pen?Is _________your pen?横线上填什么
Is that your pen?Is _________your pen?横线上填什么
That is your pen
that is your pen.
And What is that in your ————?Is it a pen?横线上写什么
______ is your pen.Please bring it here.填什么?
Is that your pen on the desk?
Is that your pen?作否定回答
Is this your pen?
That is green pen
that is a pen
This a pen.that is a pen,什么
My pen is {broken} { }{ }with your pen?