Office _______ is just something that he plays at; the one thing that really interests him is golf.

—I have to ask a(n) _____ of you because the luggage is too heavy for me.—Oh, with pleasure.

You can take as many books as you like here for they are free of ________.

In recent years travel agencies have succeeded in selling us the idea that ________, the better our holidays will be. 

Before the final examination, many students have shown ____ of tension. Some have trouble in sleeping while others have lost their appetite.