问题补充：
Mum, this is teacher. name is Li Hui.
A. your; my
B. his; Your
C. you; His
D. my; His
答案：
A. your; my
B. his; Your
C. you; His
(答案→)D. my; His
解析：考察物主代词词义。句意：这是我的老师他的名字是李辉。
teacher，name均为名词前面均用物主代词
我的my他的his Your 你的 you 你只有D相符合句意
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