The police always take advantage of dogs’ ____ sense of smell to search for something.

In these years, the shortages of water has become a ______ problem.

According to the rules，all drivers ________ this traffic accident are to be taken to the police station to make their statements.

The _____house smells as if it hasn’t been lived in for years.

 --Don’t you think that was a ______ night? --Yes, we were almost ______ to death by the shaking of the earth.