Verb conjugation of "croak" in English

The billing of additional working hours is not justified, since it was our request to download the software and wait for the new version. They have admitted the error of the translation.
I want to briefly introduce myself: My name is Maria, I'm 39 years old and live in Madrid, Spain. My city is beautiful, I live with my lovely family and have many friends. See you soon.
That is a beautiful name you have got. It would be very helpful if you answered my mail before next week because I will have my final test on Wednesday. I will understand if you won't be able too.