Don’t try to cheat the taxman(税务人员); you’ll never ______it.

I couldn’t stand the          of not being able to help when my best friend was in trouble.

 Finding information in today's world is easy.The ________ is how you can tell if the information you get is useful or not.

What made her angry was not what he said but_____ he said it.

 Since the early nineties, the trend in most businesses has been toward on-demand, always-available products and services that suit the customer’s ________ rather than the company’s.