—Mum I am thirsty. Where is cup?—Is this?—Yes thank you.A. mine; yoursB. my; your C. min

问题补充：

—Mum, I am thirsty. Where is cup?

—Is this?

—Yes, thank you.

A. mine; yours

B. my; your

C. mine; your

D. my; yours

答案：

A. mine; yours

B. my; your

C. mine; your

(答案→)D. my; yours

解析：考查情景交际。句意“妈妈，我很渴，我的杯子在哪里？”“这是你的（杯子）吗？”“是的，谢谢。”名词性物主代词可以单独使用，相当于形容词性物主代词加名词。yours相当于your cup。故选D。