General English Tests:
* Oxford Online English: [https://www.oxfordonlineenglish.com/](https://www.oxfordonlineenglish.com/) Offers free practice tests for different skills like grammar, vocabulary, and listening.
* English Tests Online: [https://www.englishtestsonline.com/](https://www.englishtestsonline.com/) Provides free practice tests for various English language exams like TOEFL, IELTS, and Cambridge English exams.
* British Council: [https://takeielts.britishcouncil.org/](https://takeielts.britishcouncil.org/) Offers free practice materials and sample tests for IELTS.
* Cambridge English: [https://www.cambridgeenglish.org/](https://www.cambridgeenglish.org/) Provides free practice tests for various Cambridge English exams, including KET, PET, FCE, CAE, and CPE.
* TOEFL: [https://www.ets.org/toefl](https://www.ets.org/toefl) Offers free practice questions and a full-length practice test for TOEFL.
Specific Skill Tests:
* Grammarly: [https://www.grammarly.com/](https://www.grammarly.com/) Offers a free grammar and spelling checker, as well as paid plans with more advanced features.
* Quizlet: [https://quizlet.com/](https://quizlet.com/) Allows you to create and use flashcards for vocabulary and grammar practice.
* Memrise: [https://www.memrise.com/](https://www.memrise.com/) Offers a variety of courses for learning vocabulary and grammar, including free and paid options.
Test Preparation Sites:
* Kaplan: [https://www.kaplan.com/](https://www.kaplan.com/) Offers test preparation courses and materials for various English language exams.
* Princeton Review: [https://www.princetonreview.com/](https://www.princetonreview.com/) Offers test preparation courses and materials for various English language exams.
* Magoosh: [https://magoosh.com/](https://magoosh.com/) Offers online courses and practice tests for TOEFL, GRE, GMAT, and other standardized tests.
Tips for Choosing a Practice Test:
* Consider your needs. What skills do you want to improve? What specific exam are you preparing for?
* Look for free options. Many websites offer free practice tests.
* Read reviews. See what other users have to say about different practice tests.
* Practice regularly. The more you practice, the better you will become at taking English tests.
Remember, practice tests are a valuable tool for improving your English skills and preparing for exams. However, they are not a substitute for real-world experience. It is important to use a variety of resources to develop your English skills comprehensively.