i was thinking for streetcar there might be one on Stella or Blanche as there hasn't been a character question in a while and neither Stella or Blanche have been asked about as individual character questions, only about their relationship with one another in 2018, or maybe Mitch could be asked about since he's only shown up in the sample assessment but idrk. or as a theme perhaps isolation, victimisation, anxiety, trauma or reality like you said. i have literally no clue though lol
i don't do any of your other texts apart from the poetry ones, but i agree that either The Gun or The Lammas Hireling since neither of them have come up yet, or History as its only come up once in the specimen papers but not in the real exams. and i think Keats is most likely to come up out of the Romantics since he's not appeared in any of the past papers at all yet i don't think, and maybe Byron as he's only come up twice, once in a specimen paper and then once in the 2021 paper. as for potential questions/themes though i have no idea lol