Ответ:

13. what do my parents have?

14. what do you drink in the morning?

15. who plays the guitar?

15. Are you tired?

16. how often does Ron play basketball

17. when is your birthday?

18. do you understand the Present Simple?

13) What do you drink in the morning?

14) Who plays the guitar?

15) Are you tired?

16) How often does Ron play basketball?

17) When is your birthday?

18) Do you understand the Present Simple?