-What’s the chance of there _____an election this year?- I have no idea.

More than a quarter of the energy       in the United States goes to moving people and goods from one place to another.

He is very popular among his students as he always tries to make them ____ in his lectures．

He found them _____ at a table ____ chess.

A year earlier, Amelia had become the first woman passenger ____ across the Atlantic.