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单选

The writer of the article believes that_____.

  • A.parents no longer insist that children should be polite
  • B.saying “thank you” is too much trouble
  • C.only old people say “thank you”
  • D.people benefit from being polite
试题出自试卷《全国自考综合英语(二)精选练习题及答案1》
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