Smoking is so harmful to people’s health that it kills __________ people each year than automobile accidents.
The person____drugs had much difficulty in getting rid of the_____.
Years later, I began ______ what he told me right.
It’s no use ______ with him ______ this matter.
______ the distance was too long and the time was short, we decided to fly there instead.
—What’s the matter with you, Tom? —______ the ladder, one of arms has been broken.