单项选择题
Questions 22 to 25 are bused on the conversation you have just heard.
A. He doesn’t agree with the woman. B. He can’t understand the woman. C. He thinks the woman’s words are reasonable. D. He is angry with the woman’s words.
A. problems between neighbors B. problems between states which do not share a border C. problems on air pollution D. trans-boundary air pollution
A. Foster families of adopted children. B. Only the woman and her twin sister. C. Several twins in adoption agency. D. Adopted children’s birth parents.