Do you know the waste material can be made use ________ this kind of the toy?
We have every reason to believe that our business has shown a(n) ____ to improve.
A good husband must know how to ____ his ideas to his wife.
____ most efficient way to understand thousands of new words is to gain ____ good knowledge of basic word information.
–– I’m sorry to have broken your pen. I wasn’t on purpose. ––_______. I’ve got another one.
All the photographs in this book, _______ stated otherwise, date from the 1970s.