Scientists have many theories about how the universe ___ into being.

 American women were______ the right to vote until 1920 after many years of hard struggle.

 I had planned to invite Tom to the party to increase the atmosphere, but it turned out that his arrival ____ the atmosphere.

In some countries citizens are ______ to vote, and if they don’t they get fined.

The teacher told the students that they______ to be useful men to the country.