多么开心的师生啊！
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People used to like big cities， but now many say that they are interested in living on a farm． It's a good way to get close to nature． The number of farmers under 35 years old in the US is increasing． These farmers like to run small farms．
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布朗（Brown） 一家人已经在上海生活10年了．
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我认为这串钥匙一定是保罗（Paul） 的．
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这个宝宝一看见她的妈妈，她就会笑．
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