题目内容
5.相似的提问_ 6.听起来更加有礼貌_ 7.引人一个问题_
5. similar requests /questions 6. sound more polite
7. lead into a question
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题目内容
5.相似的提问_ 6.听起来更加有礼貌_ 7.引人一个问题_
5. similar requests /questions 6. sound more polite
7. lead into a question