Mr.Smith always encourages his students to be active in class．

史密斯先生总是鼓励学生在课堂上要活跃。

youdao

However, she is strict with us because she wants us to do our best and to be active in class.

但是，她对我们很严厉，因为她希望我们尽所能，并在课堂上表现活跃。

youdao

He should spend a lot of time reading or practising English after he gets up in the morning. He should be active in class.

早上起床后要练习朗读和口语，课堂上要积极发言，放学后要按时完成听、说、读、写等作业。

youdao

It used to be a lot easier to be physically active then it is today, and we'll discuss this later in the class, but energy saving devices all over the place.

在过去,人们比现在从事更多的体力活动,这一点我们以后再讲,帮助你省力的装置,如今随处可见

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Her professors were her allies, she says, and have told her that her active participation in class would be missed.

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