—Who is English teacher?—Well its Mrs. Green. She teaches English very well.A. you; we

问题补充：

—Who is English teacher?

—Well, its Mrs. Green. She teaches English very well.

A. you; we

B. you; ours

C. your; us

D. your; our

答案：

A. you; we

B. you; ours

(答案→)C. your; us

D. your; our

解析：句意：谁是你的英语老师？——哦，是格林夫人。她教我们英语教得非常好。结合语境可知前文为形容词性物主代词作定语，下文为宾格人称代词作宾语，故选C。