Dear Sir, 
After greetings, I am writing 
this
 letter to you with regard to the voluntary campaign that takes part in our neighbourhood, I was one of the participants and my mission was to collect used clothes and Linking Words
then
 deliver them to those who are in need. 
Unfortunately, I can not keep working Linking Words
due to
 some personal reasons, I Linking Words
have 
enrolled myself in a French course Unnecessary verb
apply
last
 month. Linking Words
Although
 my tutor told me that I could start the course after ending my duties in the campaign, he called me yesterday to inform me that  it is no longer possible. 
Linking Words
Finally
, I would like to recommend another classmate who can do Linking Words
this
 job. he is very Linking Words
interesed
 in voluntary work. Correct your spelling
interested
Therefore
, if I Linking Words
ask
 him to participate, he would certainly agree. I will give him your phone number and all necessary details about the work.
Thanks for your understanding. 
Yours Faithfully, 
John Adam.Wrong verb form
asked