i have done many surveys but i have only been approved twice.

Proof:

http://img199.imageshack.us/img199/2849/examplet.jpg
http://img199.imageshack.us/img199/5968/survey.jpg
http://img15.imageshack.us/img15/9431/18865716.jpg

i only posted the links because the pics were too large for the screen

If you read through this you will see that they do not work consistently. There isn't much that can be done other than just to bear with it. But hey its free TC so..

Which one's work

Also you can try posting here, see if they can help you.