tests by here4u with the online test builder (627 tests)

21. Expressing advice (4395 candidates)
22. Wear or dress? (5528 candidates)
23. To feel (356 candidates)
24. Expressing regrets (4891 candidates)
25. Bring or Take (9239 candidates)
26. To try, followed by... (7204 candidates)
27. Vocabulary: little or small (7325 candidates)
28. Person? People? or what? (7903 candidates)
29. Emphatic "do/did" (7704 candidates)
30. Expressing wishes (4915 candidates)
31. Present continuous or simple present (1828 candidates)
32. Vocabulary: increasing or decreasing... (5151 candidates)
33. Infinitive clauses (5910 candidates)
34. Some/ any/ no: their compounds (699 candidates)
35. Vocabulary: quantity: enough/ more/ less (12 candidates) [Being reviewed]
36. Vocabulary: little quantities (25 candidates) [Being reviewed]
37. Vocabulary: big quantities (4727 candidates)
38. Vocabulary: size (4148 candidates)
39. Vocabulary: arithmetic and counting (3792 candidates)
40. Vocabulary: prison sentences (231 candidates)