The reason that his property was confiscated by the country, it ____, was that he was involved in a lot of fraudulent activities during the war.

____the center of our planetary system was considered as heresy by the church in the Middle Ages.

On no account ____ ever leave the baby at home alone.

Physics is the present day equivalent of ____ used to be called natural philosophy, from ____ most of present day science arose.

Nowhere in nature is aluminum found free, owing to its always ____ with other elements, most commonly with oxygen.

All their __ have been shown up by their own deeds.

His companions have threatened to__ his crimes to the police.

The local government leaders are making every effort to __ the problem of poverty.

Many artists predict that this brilliant young actor __ to be a shinning star.

All of us know, color-blind people often find it difficult to __ between blue and green.