41. How can this safe be opened?
42. What books are being read this year?
43. How was the lost man found?
44. Who are the children looked after for you by?
45. How long has the doctor been waited for?
46. What time can their papers be handed in by the boys? 
47. Who is this book lent by? 
61. Jack London's life amd wrting's is thought to represent the American love of adventure.
62. The troops was reported to be coming 
63. The earth was believed to stand still
* Riêng câu 44 với câu 47 có 2 cách nhé. Như bạn Nhân làm là cách 2.

61. Jack London’s life and writing is thought to represent the American love of adventure.
62. The troops were reported to be coming.
63. The earth was believed to stand still.

Huyền Thu câu 62 từ troops số nhiều dùng were 

41. How can this safe be opened?
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. What time can the papers of the boys be handed in? 
46. By whom is this book lent?
61. Jack London's life and wrting's is thought to represent the American love of adventure.
62. The troops were reported to be coming 
63. The earth was believed to stand still

41. How can this safe be opened?
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?