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ng and Michael? ? 3. Has Kangkang found Michael yet? ? 4. Does Maria like going shopping? A shopping center. They got lost and couldn’t find each other. 相互 No, he hasn’t found Michael yet. No, she doesn’t. (錄音 p91a) 。 3. 收集有關(guān)人口方面的資料。Unit 1 The Changing World Topic 2 Which country has the largest population? e _______ am \ is \ are _______ go _______ take _______ tell _______ clean _______ chat _______ ride _______ study _______ have \ has _______ e been gone taken told cleaned chatted ridden had studied A: Have you ever … before? B: Yes, I have … before. No, I have never … before. ride a horse watch a movie in the open air chat online Where have they been in the holiday? They have already e back. Maria has