26. He meets her in the park.
-> who does he meet in the park?
27. Mary reads a good book in the bedroom.
-> what does Mary read in the bedroom? 
28. John and Jack go swimming on Sundays.
-> when do John and Jack go swimming?
29. They will tell her a long story.
-> who will they tell a long story.
30. Lan listens to music in the garden.
-> where does Lan listen to music?