III.  Turn Wh-H question active into passive voice

37. Why didn’t they help him? Why wasn’t he helped?
38. How many games has the team played? .........................................................................
39. Where do people speak English? ....................................................................................
40. Who are they keeping in the kitchen? .............................................................................
41. How can they open this safe? ..........................................................................................
42. What books are people reading this year? ......................................................................
43. How did the police find the lost man? ............................................................................
44. Who looks after the children for you? ..............................................................................
45. How long have they waited for the doctor? ....................................................................
46. What time can the boys hand in their papers? ................................................................
47. Who lend you this book? ................................................................................................