If you buy more than ten, they knock 20 pence off ______.
—People often don't appreciate what they have, do they? —No, _____ they lose it.
—Did Ann fail in English? —She ____. Don't you notice that she looks depressed?
People believe that the China Dream is not very difficult ____ so long as the whole nation works hard for it.
Try not to cough more than you can_____since it may cause problems to your lungs.
Color shapes our view of __world and it may have ___far more influence on our lives than many of us realize.