_____ , there are black holes in space.
We must push the piano to the corner of the hall to_____________________ our party tonight.
The boat was sailing north when a terrible storm_____________ .
The pool should not be made so deep______small children can be safe there.
_______ has been a topic of continual geological research.
______ his brother, Mike is active and friendly.
Only one of our gifted students______to participate in the final competition.
Supporters of free-market globalization point out that_____________________ .
As a millionaire who liked to show off her wealth, Mrs. Smith paid______________________________________________ we asked.
There has been a great increase in retail sales,_____________________ ?
__________ John Kennedy was elected president, he was the youngest American President ever.