UNIBAN 2010 GROUP 2B

http://www.esl-lab.com/worldnews/worldnewsrd1.htm

http://a4esl.org/q/j/dt/mc-unnecessary.html


http://englishonline.sites.uol.com.br/english/intermediate.htm


http://www.esl-lab.com/hotelreservations/hotelreservationsrd1.htm