In Formal letter^x, Pronunciation^x

There are nearly 3 million google hits and 2 million yahoo hits for CON'T as the abbreviation for continue/continued. It's not a form listed in popular dictionaries. cont. contd cont'd cnt Why do you suppose it has become so common? Perhaps: - It's an abbreviation of an...

Dear everybody, I would need help in writing an application letter for an in-service training activity. I am an primary school English teacher and I would like to take part in a course, but I am afraid that my formal letter writing abilities are not the best. Here are the data (please send me...