Dear Madam,
I am writing in response to your job offer concerning the post of working with children.
I believe this position fits my expectation of a perfect job for a young person. As far as my qualifications are concerned: I have been working for about one year with children.There I have gained a lot of valuable experience.
In addition, I consider myself to be communicative, sociable and hard-working.I do love children.
I would be happy to attend the interview and start work at any time that is convenient to you.I look forward to hearing from you.
Yours faithfully,
Your name
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