Past tense. Use "did".
Student or Learner
I went to see the fireworks yesterday.
I am wondering to know how does my friend think about the fireworks.
I should ask her: Do you like it? or Did you like it?
I am wondering
to know how doeswhat my friend thought about the fireworks.
'Did you like them?'
As the fireworks have finished, there's no reason to use the present- you're asking about yesterday's fireworks, not fireworks in general.