I'm eating a sandwich.
What are you eating?
We're going to the supermarket.
Where are you going?
The cashier is helping a customer.
Who is the cashier helping? or What is the cashier doing?
She's socializing in the park.
What is your daughter doing?
They're buying medicine.
What are they buying?
I'm mailing packages.
What are you mailing?
She's talking to the doctor.
Who is she talking to?
I'm going to cash a check.
Where are you going? or What are you doing?
She's taking a class at the community center.
Where is she taking a class?
I'm drinking hot chocolate.
What are you drinking?
They're studying at the library.
Where are they studying?
She's checking out a library book.
What is she doing?
