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题目内容
（河南大学大学英语）
—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
A. what is the person over there
B. who.s talking over there
C. what are they doing
D. which is that
参考答案