Nowadays many peoply may think that with spellcheckers, thorough knowledge in orthography is somewhat superflous, let´s see if you can detect one spelling mistake in each sentence:

1. America is commmitted to sustainable developpment in Barbados.

2. The D.A. adviced me to alter my plea to not guilty.

3. I sincerly regret to inform you that you will have to do it again.

4. What occured is not really known.

5. I can´t bare this noise any longer.

6. My trip to France was an total catastrophy.

7. In principal I agree that drinking beer is harmful.

8. How successfull can you be as an English teacher?

9. His personal affaires are none of your business.

10. The war has lead to dreadful drinking water shortages.

1.) development 2.) advised 3.) sincerely 4.) occurred 5.) bear 6.) catastrophe 7.) principle 8.) successful 9.) affairs 10.) led