D.
21. Does he like watching TV?
22. She washes her hair three times a week.
23. He doesn't play football very often.
24.Harriet studies a lot at the weekend.
25.What time do they come home from school?
26.How often do you visit your grandparents?
27.Tom and Kim like cycling in the countryside.
28.My little brother often cryes at night.
29.Dies Katherine sleep a lot?
30.My dad buys old model aeroplanes and fixes them.