We slotted in some extra lessons before the exam.

我们在考试前加了几节课。

《牛津词典》

Reading through your notes before the exam can refresh your memory.

考试前通读一遍你的笔记可以帮你回忆学过的知识。

youdao

I felt physically sick before the exam.

大考前我感到身体不适。

《牛津词典》

Just before an exam, highly anxious test-takers spend ten minutes writing about their worries about the test.

VOA: special.2011.01.20

So I was hoping to see more like 99% on this, but you do still have two more days before the exam.

我本来期待这道题的正确率能达到，99%，的，但毕竟你们距离考试还有两天的时间。

麻省理工公开课 - 化学原理课程节选

This is a really good topic to do the class before an exam because it's a little bit of a lighter topic.

这对于考试之前的一节课来说,是一个非常好的课题,因为这是一个稍微轻松一点的课题。

麻省理工公开课 - 化学原理课程节选

Almost a quarter (23%) of the 15 to 23-year-olds polled say they only start revision the day before the exam.

BBC: One in three students wears 'lucky exam underwear'

Top tips including making a revision timetable up to ten weeks before the exam, dividing learning into manageable chunks and sharing revision plans with parents and teachers.

BBC: One in three students wears 'lucky exam underwear'

Panic tends to set in the day before the exam, with 61% staying up late, 40% up all night, and the average bedtime pre-exam being 2.19 am, according to the survey.

BBC: One in three students wears 'lucky exam underwear'