Should this be "quagli"?
Nope, «quagli» does not exist, only «quali». Nice thinking, though. :)
the dict hint for mirrors is totally wrong
Yep, it seems to be picking up the verb "mirror" as in "to copy".
Why is "tu vuoi" marked wrong?
Nessuni, grazie.
Quali specchi puoi pulire? why is this not accepted?
Puoi means "can", whereas vuoi means "want to".
