— Paul, ________?— Oh, that's my father! And beside him, my mother.
A.what is the person over there
B.who's talking over there
C.what are they doing
D.which is that
正确答案是B
— Paul, ________?— Oh, that's my father! And beside him, my mother.
A.what is the person over there
B.who's talking over there
C.what are they doing
D.which is that
正确答案是B