📚 1. Ngữ pháp (Grammar B1)

Test‑English – Grammar lessons & exercises B1
🔗 https://test-english.com/grammar-points/b1/

EnglishPracticeTest.net – Grammar tests for B1 with answers
🔗 https://englishpracticetest.net/practice-english-grammar-tests-for-b1-with-answer/


👂 2. Nghe (Listening B1)

Test‑English – Listening practice B1
🔗 https://test-english.com/listening/b1-listening/

British Council – B1 Listening
🔗 https://learnenglish.britishcouncil.org/skills/listening/b1-listening


📖 3. Đọc (Reading B1)

Test‑English – Reading practice B1
🔗 https://test-english.com/reading/b1-reading/

EnglishPracticeTest.net – Reading tests for B1 with answers
🔗 https://englishpracticetest.net/practice-english-reading-tests-for-b1-with-answer/


🧠 4. Use of English (Grammar + Vocabulary in context)

Test‑English – Use of English practice B1
🔗 https://test-english.com/use-of-english/b1-use-of-english/

EnglishPracticeTest.net – Use of English B1 tests
🔗 https://englishpracticetest.net/use-of-english-for-b1-tests-with-answer/


📝 5. Từ vựng (Vocabulary B1)

Test‑English – Vocabulary lessons B1
🔗 https://test-english.com/vocabulary/b1-vocabulary/

EnglishPracticeTest.net – Vocabulary tests for B1 with answers
🔗 https://englishpracticetest.net/practice-english-vocabulary-tests-for-b1-with-answer/


🗣️ 6. Hội thoại & giao tiếp (Speaking/Dialogue B1)

British Council – Speaking B1
🔗 https://learnenglish.britishcouncil.org/skills/speaking/b1-speaking