Reading Comprehension : Classing Britain

Hi guys! 
Here you have a rather catchy piece of news I came across yesterday night. The main point of the text is to bring under discussion one of the classic matter in Britain: distinction among different social classes.Altough it seems to be an old-fashioned term,it´s surprising to find out it´s still on the map.

Exercise: I ´d like you to fill in the gaps (..........)with the paragraphs provided at the end.;

https://www.box.com/s/7e87qgcppeu1xg788yx3