They're both correct, depending upon whether you're talking about any old letter, (a letter), or about a specific letter, (the letter).
In your letter It would be correct to say, "In your letter you mentioned that..." or "I spilled coffee on your letter."
You are nearly correct. You are missing the letter e in the middle. It is noticeable.You are nearly correct. You are missing the letter e in the middle. It is noticeable.You are nearly correct. You are missing the letter e in the middle. It is noticeable.You are nearly correct. You are missing the letter e in the middle. It is noticeable.You are nearly correct. You are missing the letter e in the middle. It is noticeable.You are nearly correct. You are missing the letter e in the middle. It is noticeable.You are nearly correct. You are missing the letter e in the middle. It is noticeable.You are nearly correct. You are missing the letter e in the middle. It is noticeable.You are nearly correct. You are missing the letter e in the middle. It is noticeable.You are nearly correct. You are missing the letter e in the middle. It is noticeable.You are nearly correct. You are missing the letter e in the middle. It is noticeable.
I appreciate your responding to my letter is correct.
The correct order for a business letter is to always put the date first.
Grammatically correct but illogical. We expect the package to include the letter, not the letter to include the package.
The following are your resumé and covering letter is a correct sentence.
Yes. That is correct.
The correct female title is ' Dear Madam, '
a letter of respect
It is Thank you ...
The correct structure for a letter includes the heading, which is the date and address, followed by the salutation or greeting. Next comes the body of the letter. You end the letter with a closing followed by a comma, and your signature.
No. It is unclear in this sentence who sent a letter to who. Maybe it should be: Thanks for confirming the receipt of my letter.