is dave your pen friend?对不起，不是翻译，是回答

is dave your pen friend?对不起，不是翻译，是回答 that is your pen. This not is your pen,your pen is white.改错 what is your pen colour __(这儿)is your pen Is this your pen Is this his pen?选择疑问句 连词成句：this ,your ,is ,pen ,. Is This your pen?No ,it's__________ Here is your pen?请回答 how much is your pen?做回答 what color is your pen 答句 Is that your pen?作否定回答 Is your pen red?-------NO（）（） Is this your pen?同义句转换 ______me,Tony.Is this your pen? Is this your pen怎么解释? Is this your pen 下一句是什么? E____me.Tim.Is this your pen?