— ?—They are reading books.A、What do they doB、What did they doC、What are they doing
She_______ to an English program while her parents________TV.
—What were you doing when we were dancing yesterday afternoon? —I_______ the classroom.
Little Tom_________ computer games when his father got home.
Mr.Black ________ working although it is mid-night.
My parents always compare me _______ others. So I am very stressed.