This weekend, there was a big exam: The Common Test for University Admissions. This weekend there was a big exam: The Common Test for University Admissions.

This test is used for university admissions, and most candidates should take this at least once because all public universities needrequire this test score. This test is used for university admissions, and most candidates should take this at least once because all public universities require this test score.

I felt like “require” sounded more natural here.

Candidates must also take an exam of their university’s exam as their second test, which is held in February or March, but both are important. Candidates must also take their university’s exam as their second test, which is held in February or March, but both are important.

Usually, candidates study past exam questions and prepare for athe test. Usually, candidates study past exam questions and prepare for the test.

Starting this year, however, thise test's trending system has been changed, so they couldn't do sothat. Starting this year, however, the testing system has been changed, so they couldn't do that.

It was a poor thing. It was a poor thing.

This is grammatically correct, but I don’t really know what you mean.

Besides, Iin Japan, you can enter a university even if you failed the entrance exam last yeathe year prior. Besides, in Japan, you can enter a university even if you failed the entrance exam the year prior.

If high school students fail a test, some of them choose to study for oneanother year and try again. If high school students fail a test, some of them choose to study for another year and try again.

They are called “Ronin”, which wordis a word that means a“A samurai who doesn't have his master, and leads a vagabond life”. They are called “Ronin”, which is a word that means “A samurai who doesn't have his master, and leads a vagabond life”.

“They are” is often written/said as “they’re”.

RA ronin's life is filled with studying, so it's hard and they’re always under pressure. A ronin's life is filled with studying, so it's hard and they’re always under pressure.