Pre-intermediate
Preparation for KSU Mid-term Exam (from Headway Pre-Intermdate + KSU wordlist)
Test 1 (10 questions): testmoz.com/933513
Test 2 (10 questions) testmoz.com/933547
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General vocabulary
http://www.esl-lounge.com/student/vocabulary/2v24-bigger-and-smaller-things.php
http://www.englishmedialab.com/Quizzes/preintermediate/word%20association1.htm
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Intermediate
Upper Intermediate