51. After everyone took_______ place, the meeting began.

54. We should always keep ______ well-informed of the changing information.

55. Give the message to ______ is at the table.

56. I found _______impossible for _______to work out the maths problem.

60. She is doing her homework .I'll do_______.

61. In some restaurants, food and service are worse than ______ used to be.

62. Everyone who comes to the party is given a wooden apple with _____ own names cut in it as a souvenir.

63. Children can usually dress ______ by the age of five.

64.There is a photo on the wall.____ the photo of Lei Feng.

65.Is＿necessary to tell his father everything?