The______newspaper readers wouldn’t like long articles on serious subjects every day.

As to the subject, we have consulted the most _______ professor who gave us _______ explanation.

Both the summer and the winter Olympic Games are held every four years on a _______ basis.

________ and short of breath, Andy and Ruby were the first to reach the top of Mount Tai.

All the employees complain that their boss is just _______ with promises but never with money.