FIGURE IT OUT Read the questions and answers. Complete.
Where can the tsunami hit after an earthquake?
Can computers be Yes, they can. How can we protect crops from pests?

When can we expect to visit Mars? Can we time travel?
No, we can't
Wh questions are formed with the question word who, why, where, when, which, how + the auxiliary

Yes/No questions are formed with the auxiliary verb at the beginning of the question + subject.​