open cloze tests all levels http://www.english-grammar.at/online_exercises/open-cloze/open-cloze-index.htm
irregular past forms – B2 test (sentences) http://www.5percangol.hu/online_nyelvtani_tesztek/rendhagyo-igek-teszt
use of English exercises (B2, Cambridge FCE ) http://www.flo-joe.co.uk/fce/students/tests/mchtst3.htm http://www.flo-joe.co.uk/fce/students/tests/2_oclts3.htm http://www.flo-joe.co.uk/fce/students/tests/2_oclts3.htm http://www.flo-joe.co.uk/fce/students/tests/2_strtest3.htm