CEF Level: Pre-Intermediate
1 Questions, Part 1                        5 Questions, Part 5
2 Questions, Part 2                        6 Questions, Part 6
3 Questions, Part 3                        7 Questions, Part 7
4 Questions, Part 4                        8 Questions, Part 8

CEF Levels: Pre-Intermediate / Intermediate 
1 Making a Choice, Part 1                  5 Shall I ... ?, Part 1
2 Making a Choice, Part 2                  6 Shall I ... ?, Part 2
3 Whether Collocations, Part 1             7 Requests, Part 1
4 Whether Collocations, Part 2             8 Requests, Part 2

CEF Level: Intermediate
1 Conditionals, Part 1                     5 Will you ... ?
2 Conditionals, Part 2                     6 Would you ... ?
3 Negative Questions, Part 1               7 Could you ... ?
4 Negative Questions, Part 2               8 Mixed Exercises