This is our teacher.请选择AB0^/c0H3P6g6@/o6a:A-n*d0]'p4w7_)Q-_/y9A-X+O(h
A这是我的老师。7_)Q-_/y9A-X+O(h
B这是我们的老师。7_)Q-_/y9A-X+O(h