We begin classes in September.

我们九月开学。

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We begin classes at eight.

我们八点开始上课。

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We begin classes at 8:00.

我们在八点开始上课。

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One of the things you should begin to do, is to recognize what identifies those classes of algorithms, so you can map your problems into those ranges.

你们现在开始要做的事情之一，就是要学会辨别这些算法,这样你就能为你的问题，选择对应种类的算法了。

麻省理工公开课 - 计算机科学及编程导论课程节选

You begin with three classes and a number of other classes are available to unlock either through in-game experience points (earned during matches) or by paying cash.

FORBES: Move up http://i.forbesimg.com t Move down

And classes will begin next fall in space loaned by Google to the city while the campus is under construction.

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At Phillipsburg High School in Kansas, 150 iPads were stolen in August one week before classes were to begin.

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