Please, students, try yourselves by taking this level test @
https://www.englishcurrent.com/exercises/
https://www.englishcurrent.com/check-english-level/
https://www.englishcurrent.com/grammar/quiz-native-speakers/
https://www.englishcurrent.com/english-vocabulary-test/
https://www.englishcurrent.com/english-vocabulary-test-pg2/
https://www.englishcurrent.com/barton-vocabulary-quiz/
https://www.englishcurrent.com/exercises/verb-tense-quiz-test-intermediate-esl/
https://www.englishcurrent.com/exercises/verb-tense-practice-exercises/
https://www.englishcurrent.com/grammar/subject-verb-agreement-exercises-grammar/
https://www.englishcurrent.com/exercises/passive-voice-exercises/
https://www.englishcurrent.com/exercises/keywords-verb-tense/
https://www.englishcurrent.com/exercises/study-articles-exercises-online/
https://www.englishcurrent.com/exercises/english-irregular-verb-list-exercises/
https://www.englishcurrent.com/grammar/study-gerunds-infinitives-exercises-online/
https://www.englishcurrent.com/exercises/prepositions-study-exercises-worksheet/
https://www.englishcurrent.com/grammar/study-first-second-conditional-review-exercises/
https://www.englishcurrent.com/grammar/comparative-superlative-rules-exercises/
https://www.englishcurrent.com/grammar/this-that-these-those-exercises/
https://www.englishcurrent.com/idioms/phrasal-verbs-quiz/
https://www.englishcurrent.com/idioms/basic-english-phrasal-verbs-preintermediate-intermediate/
https://www.englishcurrent.com/idioms/idioms-quiz/
https://www.englishcurrent.com/idioms/north-american-proverbs-quiz-list/
https://www.englishcurrent.com/idioms/workrelated-idioms-list-business-english/
https://www.englishcurrent.com/tag/reading-lessons/
https://www.englishcurrent.com/writing/
https://www.englishcurrent.com/grammar/ Study the difference
https://www.englishcurrent.com/grammar/be-used-to-use-to-difference/
Good luck!
