The girl will write a test on Monday,won't she?
Will the girl write a test on Monday?
Will the girl or the boy write a test on Monday?
What will the girl write on Monday?
Who will write a test on Monday?
She is playing the piano now,isn't she?
Is she playing the piano now?
Is she or he playing the piano now?
Who is playing the piano now?
What is she doing now?