Answer:
1- For the answer "Navya works as a teacher in the high school" we must ask a question that makes a direct reference to the use of Navya, with which a viable option could be the following: How does Navya earn a living?
2- In turn, for the answer "Alex has been working abroad since 2010", the question must refer to the time that Alex has been working abroad, and the following question may then be asked: Since what year has Alex been working abroad?
