Here we will write the adresses of the sites, which you find usefull (not ADS). Here are some sites from me:
itest.uz - online testin system, for entrants. Includes not only english language, but also maths, literature, biology, physics, chemistry, mother language and etc. Also you can add your own test, and help the site to enrich with resources.
e-ilm.uz - online testing system too, but very tough to get used with it, very complicated system and also questions, too.