Halloween is not a French holiday, though each passing year sees a few more bits and pieces of it imported to France. Nevertheless, learning the French translations for Halloween vocabulary can be fun, especially for younger students. 'Appy 'Alloween! :-)
Gender-neutral pronouns, aka inclusive pronouns, are used to avoid sorting individuals into the binary world of male vs female. Gender-neutral language is evolving and not considered standard, but it is becoming more common, especially on the internet, so it's important to be able to recognize the most common terms.
French has a number of multi-word expressions of frequency, aka adverbial phrases of frequency, which allow you to talk about how often something happens with much greater precision than single-word adverbs of frequency.