Jack is one of those men who_________ best evening the most difficult situations.
He was in hospital for six months. He felt as if he was ______ from the outside world.
We must accept the possibility ________ one, although working hard, may fail to reach his goal.
---- Could you be so kind as to close the window? ----- _______.
"Genius" is a complicated concept, _ _ many different factors.
---- We've only got this small bookcase. Will that do? ---- No, _ _ I am looking for is something much bigger and stronger.