In order to find _______ better job, he decided to study _______ second foreign language.
. Either you or the headmaster ______ the prizes to the gifted students.
. The 2010 Shanghai World Expo is well worth ______.
I am interested in traveling. It is ______ but ______.
The windows haven’t cleaned for a long time. They need ______.
Our teachers are really ______. They often work in their office far into the night.