Hi there!
To have multiple switches checked you can do everything in the same tag, just separate them with a comma
For example if you want to check s[17] and s[18] write (([s[17],s[18]]))
Hope it helps :D
You may want to check this: https://winterdreamgamescreator.itch.io/rpg-maker-mz-script-hide-or-disable-choi...
Enjoy!