I didn't get why do we need هناك here as in the previous lesson it was explicitly made wrong if you where the supposed place is
But now it is wrong if you don't have
My best guess now is that both are correct but duo just accepts this answer in this lesson
Sorry I formulated my question a little bad. What I'm wondering about is the choice of mark over the alif in "l-bayt". Why do they use this mark that was newly introduced, instead of no mark like in most sentences earlier in the course?