真题例句：

• Check out how the four young adults made a difference.

  看看这四个年轻人是如何做出改变的。

  [2021年 北京市卷 阅读理解]

• In junior high school, where schoolwork is heavy, he still reads three to four books a month.

  在课业繁重的初中，他仍然一个月读三到四本书。

  [2021年 大连市卷 阅读理解]

• The four museums are in the same district of Beijing.

  这四个博物馆在北京的同一个区。

  [2020年 青岛市 阅读理解]

真题例句：

• You just kept walking and walking for four hours?

  你就这样走了四个小时？

  [2021年 新高考Ⅰ卷 听力]

• They were randomly divided into four groups and exposed to various noise levels in the background.

  他们被随机分为四组，暴露在不同的背景噪音水平下。

  [2021年 全国乙卷 阅读理解]

• He is building a four-wheeled robot that will run on solar and electric power.

  他正在制造一个使用太阳能和电力驱动的四轮机器人。

  [2021年 新高考II卷 阅读理解]

真题例句：

• Pedals apparently has an injured leg or paw that doesn't allow it to walk comfortably on all fours according to experts.

  根据专家的说法，Pedals显然有一条腿或一只爪子受伤了，不能用四只脚舒服地行走。

  [2017年 CET4 听力]