because people speak English
The following short quiz consists of four questions & tells whether u r qualified to be a " professional".
Accordingto Andersen Consulting Worldwide,around 90% of the professionals they tested got all questions wrong.
Andersen Consulting says this conclusively disproves the theory that most professinals have the brains of a four year old.
Ok, even if u didn't answer the three questions correctly, u still have one more chance to show ur abilities.