english exercises
DAYS OF THE WEEK
Numbers
Colors
Months
The English Alphabet
How to write a formal e-mail?
Common mistakes in e-mails
A quotation letter
http://best-letter.blogspot.hu/2013/04/price-proposal-and-quotation-letter.html http://www.englishforums.com/English/QuotationLetter/wcnd/post.htm
http://www.infoentrepreneurs.org/en/guides/price-lists--estimates--quotations-and-tenders/
5 useful e-mail expressions
