¿Qué estaba haciendo David mientras estabas viendo televisión? - Leía el libro que se trajo con él.What was David doing while you were watching TV? - He was reading the book he brought with him.
¿Marcela no se dio cuenta de lo que estaba pasando? - No. Leía el libro que le regalaste y tenía sus audífonos puestos.Marcela didn't realize what was going on? - No. She was reading the book you gave her and had her headphones on.