—Who your English teacher? —Mary .A. does;doesB. is;isC. does;isD. is;does

问题补充：

—Who your English teacher?

—Mary .

A. does;does

B. is;is

C. does;is

D. is;does

答案：

A. does;does

(答案→)B. is;is

C. does;is

D. is;does

解析：本题考查了be动词的一般现在时态，同时要考虑前后一致，因此都应选is。