It Must Be Crowded 一定很拥挤

It Must Be Crowded 一定很拥挤

A teacher is telling his students, "The moon is very large. Several1 millions2 people can live there." And a boy laughs and says, "It

must get crowded3 when it's a crescent moon." 一位告诉学生：“月亮非常大，上面能住几百人。” 一个男孩笑着说：“当月亮变成月牙的.时候，住在上面的人该多拥挤啊！”