Annā has other meanings in wider Arabic usage, but the passage here explicitly treats it as a place question; the lesson follows that usage.
Book example: أَنَّى تَقْعُدُ؟
Where do you sit?
Annā: indeclinable interrogative in the accusative place-adverb position; taqʿudu: imperfect, with hidden second-person subject.
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Indeclinable Adverbs — Ghāyāt, Time and Place
Annā has other meanings in wider Arabic usage, but the passage here explicitly treats it as a place question; the lesson follows that usage.
Book example: أَنَّى تَقْعُدُ؟
Where do you sit?
Annā: indeclinable interrogative in the accusative place-adverb position; taqʿudu: imperfect, with hidden second-person subject.