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

网友回答

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。