This is a test of commonsense with single/multi-choices. Complete the next sentence:

How to do well in tests and exams
Revise properly.
This means setting up a revision timetable up to days, weeks or even months before the exam or test. The amount of revision time needed will depend on how big the exam or test is.

Choose your answer from: -Work on your marks on both tests. Having good marks means that you will have the best chance of passing in the test.; -Most schools require revisions in a few months. Avoid overusing your time, spend it wisely.; -You should revise the main topics for at least 20 minutes a day the week before the exam. Listen to what the teacher is saying.; -If your test is a three day exam, for example, you might need less revision. But if the test is a four day exam, you might need more revision.;
The answer is:
You should revise the main topics for at least 20 minutes a day the week before the exam. Listen to what the teacher is saying.