Thank-you letters can either be formal or informal and they can be sent for example when we receive a gift from someone.
What are thank-you letters?
Thank-you letters are letters which are written to thank others for a good deed they have done for us or to us.
Thank-you letters can either be formal or informal in nature.
Thank-you letters are written for example when we receive a gift from someone or when we benefit from someone's service such as a doctor taking care of us.
Therefore, thank-you letters can either be formal or informal and they can be sent for example when we receive a gift from someone.
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