In 7, the classroom cramming, as a preview before class.
课堂临时报佛脚，不如课前预习好。 。
Did you preview before the class?
你在上课前有预习的吗？
I always preview and master the main idea of the lesson before class.
我总是预览和掌握这一课上课前的主要思想。
Please preview the text before you come to class next time.
下次来上课前请预习课文。
You'd better preview the text before class.
你最好在课前预习好课文。
You should preview the text before the class.
上课之前你要预习课文。
You should preview the text before the class.
上课之前你要预习课文。
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