_______ players are not allowed to interfere with the opponent's movements unless the player is holding the ball.

The main task of a defender in a sport game is to _______ the opponents from scoring.

Many young men prefer scuba-diving because it is _______.

I _______ think that scuba diving is more of danger than adventure.

The International Committee of the Red Cross is a private _______ institution founded in 1863 in Geneva, Switzerland.

In former days, after the battles soldiers on both sides died or were left wounded on the field without any _______ attendance and basic care.

She sustained severe head _______ after being thrown from her horse.

According to World Bank figures, 41 per cent of Brazilians live in absolute _______.

Up until the middle of the 19th century, there were no _______ and well established army nursing systems for casualties.

Scientists try to ________ a breakthrough in manufacturing new materials for space exploration.