Cryptic quiz

[irismay]

cleaner changes a rope in series - 4,3 letters
a month to play dire last game - 7 letters
Help please!!!! Will be eternally grateful.

[mac44]

2 dec ider

[bunnetjim]

think you'll find number of letters is wrong, should be 4,5. I have soap opera as answer. cleaner - soap, and anagram of 'a rope.'
I'm stuck on 13. 17. 18. 27. 29. 30.