Is this your father (用YOUR uncle 改为选择疑问句)

Is this your father (用YOUR uncle 改为选择疑问句) Is this your uncle? This is your pencil.(改为一般疑问句) Is that your cousin?(用friend改为选择疑问句） Is he your cousin?用friend改为选择疑问句 Is this your pen Is this his pen?选择疑问句 Is that your cousin?(用friend改为选择疑问句） Is that your cousin or 一般疑问句Is this your father?如何回答 This is your father's notebook ? 改为陈述句 This is my uncle (改为一般疑问句) is your mother cooking the house (改为选择疑问句) is your father's son your uncle?是啥意思