ours of searching, their patience was _________ and they found what they werelooking for.

Carl wanted to play a joke on Bob but gave himself _____ by laughing

Which of the following sentences is right

It’s said that ______ of the water around the world ______ polluted.

The astronauts found that ______ the spaceship went further and further into space, it became more and more difficult to control its own movements