I want very much to buy a car, but I can’t afford ________. 

The zoologist is telling the visitors how a horse’s vision differs from ______ of a human.

It's an either-or situation - we can buy a new car this year or we can go on holiday but we can’t do     .

There aren’t enough balls for ________; you have to share them.

--What do you think of the price of these computers?--They are at least equal in price to, if not cheaper than, ____at the other companies.