Saddest of all is when children catch a glimpse of the masked fire fighter but hide because they think they have seen a monster.
出自-2010年12月听力原文
To prevent such tragedies, fire fighter Eric Velez gives talks to children in his community, explaining that they should never hide during a fire
出自-2010年12月听力原文
What does the passage tell us about fire fighter Eric Velez?
出自-2010年12月听力原文