tests by here4u with the online test builder (687 tests)
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1. Vocabulary: greeting people (536541 candidates)
2. Vocabulary: asking and answering (280479 candidates)
3. Vocabulary: on the phone (258798 candidates)
4. Vocabulary: at the restaurant (245692 candidates)
5. Vocabulary: let's stay in a hotel (109761 candidates)
6. As... Like... As if/ as though... (64857 candidates)
7. How + adjectives .... (50876 candidates)
8. Choosing your past tense... (49263 candidates)
9. Though/ in spite of ...Concession (44237 candidates)
10. 'Make someone do'/'Have something done': (a little further) (43074 candidates)
11. Do/does/did: affirmative, interrogative and negative forms (41938 candidates)
12. Irregular plurals (40696 candidates)
13. Across or Through (35586 candidates)
14. Used to / to be used to (34491 candidates)
15. Vocabulary: I'm hungry (33620 candidates)
16. Vocabulary: fly away... (33551 candidates)
17. As/ like/ How: Which one to use (33541 candidates)
18. TO + verb base or TO + V + ing (32768 candidates)
19. Imperative mood and its tags. (32451 candidates)
20. Whereas, Unless, Contrary to : contrasts (32448 candidates)