EXERCISES: A useful (I hope) web site for exercises and tests

There are many useful websites, I know it may seem like a "informationstorm", but I am sure some of you will apprecciate it (I am too naïv, I know):

http://englishteststore.net/

https://elt.oup.com/student/englishfile/?cc=global&selLanguage=en

http://www.ejerciciosinglesonline.com/exercises-and-theory/selectividad/

http://kingsclassmate.blogspot.com.es/p/vocabulary-and-spelling.html


This is written by someone who seems to be honest and wise when talking about herself:

http://menuaingles.blogspot.com.es/2007/03/trucos-para-aprender-ingls.html