Addison witulski's grandmother kim Allred said Addison probably overheard a conversation between family members talking about the funds needed to get her little brother to treatment.

2017年12月四级真题（第二套）听力 Section A

Before Allred knew it, New Mexico State police officers were among the many stopping by,helping them reach a total of $568.

2017年12月四级真题（第二套）听力 Section A