Mum my teacher Mr Wang.A. she isB. this isC. here isD. he is

问题补充：

Mum, my teacher, Mr Wang.

A. she is

B. this is

C. here is

D. he is

答案：

A. she is

(答案→)B. this is

C. here is

D. he is

解析：：本题考查交际。在介绍别人时，用this is，故选B。句意：妈妈，这是我的老师，王老师。