
In short, would you prefer to speak to:
a) a human being who can react and show interest in what you are saying, clarify a question, etc.
b) a computer? I know I only speak to my computer when I sh*ut at it when it is misbehaving, otherwis
e, I think it's a bit odd, don't you?
Plus IELTS is accepted in the USA... eg. You need minimum 7 to be considered for Harvard.