The stronger the __________ is,the more quickly a person will learn a foreign language.

—I want to go to the library but I am afraid I am not in the right ________. — _________. Go ahead.

If you ever have the _____ to go abroad to work, you should take it.

People are using more and more natural gas, wind and other forms of _____.

 As a writer, she succeeded in calling ______ to many of the terrible wrongs that existed at that time.