Ask questions to the underlined words 17. mary watched a film with her friends yesterday. 18. the pupils will do homework at home tomorrow. 19. mr.brown sometimes sleeps in the afternoon. 20. they make cakes every day.

17. What did Mary do with her friends yesterday?
18. When will the pupils do homework at home?
19. Who sometimes sleeps in the afternoon?
20. What do they do every day?
When do they do cakes?