Here are the answers to the questions based on the text provided:

46. What does Tom often do when he has free time?
- Tom often plays sports in his free time.

47. Does his father often play sports?
- No, his father often watches sports programs on TV.

48. What does his mother like?
- His mother likes cooking.

49. What does his sister often do in her free time?
- His sister, Daisy, often reads story books in her free time.

50. How often do they go for a picnic?
- They go for a picnic once a month.