What is he doing?
He is taking a taxi.
What is she doing?
She is reading a guidebook.
Where is she staying?
She is staying in a hotel.
What are they doing?
They are going on tour.
What are they doing?
They are traveling by bus.
What is he doing?
He is buying tickets.
What is she doing?
She is packing a suitcase.
What is he doing?
He is exchanging money.
What are they doing?
They are going sightseeing.
What are they doing?
They are waiting in a queue.