www.youtube.com 71.than[ðæn] 比較するときに使う 音がおちて早く[ðən]ズン She's taller than I am. They're older than we are. More then 1 billion people. 72.then[ðɛn] ～のあと、もし～だったら～ It got really dark,and then it stormed all night…