This is          teacher, Mr. Wang.

A. I            B. you          C. my           D. a

 Mum, _______ my teacher, Mr Wang.

A. she is   B. this is   C. here is   D. he is

Mum,          my teacher, Mr Wang.

A. he is             B. it is         C. that is        D. this is

1Mum,          my teacher（老师）, Mr. Wang．

A．she is                   B．this is              C．here is

.Mum, ________my teacher, Mr Wang.

A. he is B. it is C. this is D. that is