If it were not for the fact that Anne _______ ill, I would invite her to answer my question now

Working hard is not only a _____ of great success, but it is among the essential requirement.

_______ important advice father gave us the other day!

We shouldn’t spent our money testing so many people, most of ___ __ are healthy.

After teaching in Bejing for five years, he returned to the small town ________ he grew up as a child.