tests by anijul with the online test builder (54 tests)
Ranked by: number of candidates
1. Extreme adjectives (7363 candidates)
2. Much, more, fewer, less (5875 candidates)
3. Compromise or commitment (4925 candidates)
4. No matter (4894 candidates)
5. There are, there will be, there were (4105 candidates)
6. For - To - In order to (3979 candidates)
7. There is - are - was - were (3200 candidates)
8. To wish - If only - To hope (2874 candidates)
9. Is ,has or genitive (2270 candidates)
10. Have to (2046 candidates)
11. Almost or Hardly (1923 candidates)
12. Gerund or participle (1807 candidates)
13. By the time (1748 candidates)
14. About tenses (1643 candidates)
15. Adjectives and comparison (1619 candidates)
16. Quite a few, quite a bit, quite a lot (1603 candidates)
17. Who else - What else (1596 candidates)
18. Used to - to be used to - to get used to (1488 candidates)
19. Never, not only, under no circumstances, no sooner (1386 candidates)
20. Article The (1241 candidates)