1 Does she know the password? Yes,she does.
2 Does she study art? Yes,she does.
3 Does he often fly to Moscow? Yes,he does.
4 Is he flying to Moscow? Yes, he is.
5 Is there a ticket on the desk? Yes,there is.
6 Am I doing my homework? Или Are you doing your homework? Yes, I am.
7 Do you (I) do your (my) homework after lunch? Yes, I do.
8 Will you ( I) do your (my ) homework after lunch? Yes, I will.