问题补充：
—Miss Li has taught English for about 3years.
—You are lucky. is a very good teacher.
A. ours, She
B. our, He
C. us, He
D. us, She
答案：
A. ours, She
B. our, He
C. us, He
(答案→)D. us, She
解析：考查物主代词和人称代词：句意：--李小姐已经教我们英语有三年。--你很幸运，她是个好老师。Teach sb English教某人英语，所以用人称代词的宾格，us，因为是Miss Li所以用she代替，选D。
