If you have a question, you can say:
Ačiū, iki pasimatymo!
Klausimas!
"Pabaigiau" means:
I am ready to move on
wait for me!!!!
If you can't keep up, you can say:
Ačiū, gyvenu gerai
Lėčiau!
If you think you finished with a task, you can say
Pabaigiau!
Lėčiau
"Lėčiau" means
slow down!
Please, hurry up
"Aš nesuprantu" means
you don't really get it
it is really clear for you
"Klausimas" normally has a mark
!!!!!!! (šauktukas)
?????? (klaustukas)
If you don't really understand what's going on, you can say:
Koks tavo vardas?
Aš nesuprantu