If someone has to an action or policy, they are responsible for it, and may be required to explain it to other people or be punished if it fails.
We were finally able to make the customers _______ of the quality of the refrigerator.
He expects to _______ the business when his father retires.
—It’s ______ to rain . You’d better take an umbrella . —All right .I’ll take one just _______.
The companies are working together to create ____ they hope will be the best means of transport in the 21st century.
A good story does not necessarily have to have a happy ending , but the readers must not be left ______.