Dear [Name],

I am writing to provide an update on the progress of my project. I have made significant progress and almost 90% of the work is complete. I expect the remaining work to be completed by the end of the week and I am confident I can submit the final project on the deadline.

Thank you for your support and guidance.

Sincerely,
[Your Name]
Componi un'e-mail al tuo capo sullo stato del tuo progetto.