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(单选题)The participants were asked to ______. (单选题)What does this text mainly tell us? (单选题)What should be the best title for the text? (单选题)According to Drkyriazis, which of the following may be “good (单选题)What does the underlined word “it” in Paragraph 3 refer to? (单选题)What is Dr Kyriazis’ opinion probably based on? (单选题)Which of the following is the best title of this passage? (单选题)To deal with the problem in recent years, exchange programme (单选题)Vickie Weiner is the person who ______. (单选题)According to the text, why was it easier to find host famili