The notes for glossary (词汇) are very exact and particular, which could help readers to break the language         so directly and effectively.

Being hard-working is of the highest __________ to becoming successful. 

In modern society people have to pass various test for professional          so that they can be qualified for a good job.

Our English teacher，Billy，never criticizes us，but uses        to make us work hard.

After receiving the news , immediate _______ had been taken by the local government to stop the disease spreading .