37. Why wasn't he helped by them?
38. How many games have been played by the team?
39. Where is English spoken?
40. Who are kept in the kitchen by them?
41. How can this safe be opened by them?
42. What books are being read this year?
43. How was the lost man found by the police?
44. By whom are your children looked after?
45. How long has the doctor been waited for by them?
46. What time can the boys's papers be handed in by them?
47. By whom is this book lent by you?
48. How many marks are you given by the teacher?