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根据上下文补全对话 Jack: Hello! 1 Tom: Sure. Wait a minute. Mary: Hello. 2 Jack: This is Jack speaking. Mary, my mother is ill. So I must stay at home to look after her. Mary: 3 What can I do for you? Jack: Would you like to tell Miss Gao that I can't go to school this afternoon? Mary: 4 Jack: Thanks. Mary: 5 1. 2. 3. 4. 5.