¿Este ejercicio sobre Pronombres Interrogativos te ha resultado difícil?… Mira la siguiente solución para verificar si lo has hecho correctamente: 

The boss offered me a cigarette. What did the boss offer me? Who offered me a cigarette? My grandfather saved money for years. What did my grandfather save for years? Who saved money for years? Sam and Jenny will meet their cousins at the airport tomorrow. Who will meet their cousins at the airport tomorrow? Whom will Sam and Jenny meet at the airport tomorrow? My friends were drinking whisky in the bar. Who were drinking whisky in the bar? What were my friends drinking? My sister chose the expensive shoes. Which shoes did my sister choose? Who chose the expensive shoes? The boy is climbing the old tree. What is the boy climbing? Who is climbing the old tree? The gardener planted a tree in the corner of the garden. Who planted a tree in the corner of the garden? What did the gardener plant in the corner of the garden? The little girl damaged the old statue. Who damaged the old statue? What did the little girl damage? Karen prefers quiet sports. Who prefers quiet sports? Which sports does Karen prefer? Carl was writing a letter when his mother came into his room. Who was writing a letter when his mother came into his room? Who came into the room when Carl was writing? Sam found Michael’s wallet. What did Sam find? Whose wallet did Sam find? The president has visited Spain, France and Italy. Which countries has the president visited? Who has visited Spain, France and Italy?