If you buy more than ten, they knock 20 pence off ______.
Many people complain of the rapid ________ of modern life.
She had a guilty________ about not telling the police what had actually happened.
_______, you can gently improve your spoken English in a short time.
The train arrived twenty minutes late, but we were not told what caused the ____. http:/
There are certain _______when you have to interrupt people who are in the middle of doing something.