Water is vital _______every living thing ______, without which the world would be a dead place.[ ]

There ____ lots of information on sports on ESPN.com．–But most of it is in English．

We _____ he be present at the meeting.[ ]

t my glasses, I couldn’t _____ whether thatfigure on the blackboard was a three or an eight

What really ________ is not failure itself, but the attitude we have towards it．