— Tom, are you going swimming with us?— I’d love to, but something important has ______.
Everywhere man has cut down __________ forests in order to grow crops, or to use __________ wood as fuel or as building material.
For him __________ stage is just __________ means of making a living.
Of all __________ reasons for my decision to become a university professor, my father’s advice was __________ most important one.
In __________ review off 44 studies, American researchers found that men and women who ate six key foods daily cut the risk of __________ heart disease by 76%.
— I knocked over my coffee cup. It went right over __________ keyboard. — You shouldn’t put drinks near __________ computer.