- 问题详情:阅读理解。Afewweeksago,afriendfromanunknownSmileGroupssentme$120todogoodthings.SincethenIhaveusedthemoneyintheUS.Ithashelpedfamiliesandstrangersandgenerallyraisealotofsmiles.Theyhavewarmedmyheart,butnonewassomuchasthegiftIwasabletogiveanhoura...
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