Psychologists have found that the number of social contacts we have__________only reason for loneliness.
The examination was not very difficult, but it was_____________________ long.
Education in many countries is compulsory________the age of 16.
The boat was sailing north when a terrible storm_____________ .
______ his brother, Mike is active and friendly.
In spite of her abilities, Laura has been_____________________ overlooked for promotion.
Regular exercise and good diet will bring______fitness and health.
Long ago, women were_________to vote in political elections.
_______ has been a topic of continual geological research.
The pool should not be made so deep______small children can be safe there.
Supporters of free-market globalization point out that_____________________ .