Is this your pen

Is this your pen? Is this a your pen? Is this your pen Is this his pen?选择疑问句 This not is your pen,your pen is white.改错 连词成句：this ,your ,is ,pen ,. E____me.Tim.Is this your pen? Is this your pen?Yes,___(thank). -Is this your pen?-Yes,-----------(thank) ______me,Tony.Is this your pen? Is This your pen?No ,it's__________ Is this your pen怎么解释? Is this your pen?--( ).---Is this your pen?A.pardon B your p