Though bought several years ago, the computer is still in good ____. 

As a young singer, she tries a completely new         to the classic song, only to earn a lot of criticism.

A study shows that walking fast in your old age is a ______ that you will live a long life.

In my opinion, what he told us just now about the affair simply doesn’t make any ________.

—Where does your sister work, Jack? —She works in a ___________.