Electronic devices such as iPods and headphones can do great harm to our hearing if _______ improperly.
The position, however, ________ you are applying, is not quite a wellpaid one.
Cultural exchange ________ better understanding.
You can come here to ask me ________ if you have any questions.
________ is no possibility ________ she can finish the task in two hours.
The purpose of new technologies is to make life easier, ________ it more difficult.