With a lot of children _________ noise around, the students couldn’t concentrate their attention on what they were learning.
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 ______.