This year, there are new Halloween Theme Pages in WebEnglish.se. There used to be just two, Elementary (1-6) and Intermediate (7-9). Now there are four, one for each level and the new level “B1” mainly for Eng5. If you have an advanced year 9, you can use the B1-level theme as well.
Halloween 1-3
Halloween 4-6
Halloween 7-9
Halloween B1
Have a Happy Halloween!