By How to write a letter, Formal letter

I'm trying to write a formal letter of reassurance. We have to be paid before the completion of a certain deliverable. So I'm must write up a formal letter to the Director stating our reassurance to complete the deliverable/phase after the project has been handed-over. Please help someone!

I'm a student of Civil Engineering, I'm going to graduate and I want to find a good Job in a Civil company but My English is so bad and I don't know how to write a Formal letter corectly. Can you help me!!! If you can, give me a form to this forum. Thanks alot!!

2 How to write a motivation letter?! Writing the motivation letter is an important step in the application procedure - it is the basis on which the organising groups select their participants! There's no are perfect templates or instructions on how to write your motivation letter for a BEST...