Match the types of letters/emails (1-5) to the extracts (A-E). Say

Match the types of letters/emails (1-5) to the extracts (A-E). Say which are beginnings/endings and which are formal/informal.
1nbsp; nbsp; a letter applying for a job
2nbsp; nbsp; an email congratulating a colleague on a promotion
3nbsp; nbsp; a letter of complaint to a business
4nbsp; nbsp; an apology email to a professor
5nbsp; nbsp; an email to a hotel requesting information
A
Finally, I would be extremely grateful if you could provide me with some further information on your facilities. Thank you in advance for your help.
В
Once more, I request a complete refund otherwise I will be obliged to take legal action. A prompt reply will be greatly appreciated.
С
I am writing to apologise for not attending your seminar last week. Unfortunately, I was not able to be there because of a personal matter at home.
D
I am writing in response to your advertisement in last weeks edition of The Times. I would like to apply for the job of UK Sales Manager in your London office.
E
Once again, well done! I knew you could do it! Well have to go out and celebrate! How about going out for a bite to eat after work?