Fill in the blanks using the following expressions.
1. canonical
2. stringent
3. species
4. pivotal
5. verifying

1. There are many _____ of dog(s).
2. His proposals were generally accepted as _____ (= undisputed).
3. We have no way of _____ his story.
4. Licences are only granted under the most _____ (= strict) conditions.
5. Accountancy, law and economics are _____ to a successful career in any financial services area.

Answer key
1. species
2. canonical
3. verifying
4. stringent
5. pivotal