— Could you give _______ an introduction to the new machine?— Of course. I will tell you how to use it. 

Liu Xiang’s talent for running and his ability to learn from his experiences________greatly to his many successes in sports.

The theory should____ practice, or it could just be something useless.

The team has worked hard and its efforts have been _______with success.

I think this software is of little use to your work. It is really a ________ of money.