61.Heheldon

问题详情：

61. He held on _________the rope , and slipped down the cliff slowly.

62. You must devote your full attention________ what you are doing.

63. What is the theory based__________.

64. There is some doubt_______ he is the best man for the job.

65. No sooner had the boy spoken these words ________ the warden hit him on the head with the soup spoon.

66. The book is intended__________ children aged 5～7.

67. I was astonished ____________the news of his escape.

68. Lay these books ________________ you can find them easily.

69. She is acknowledged_______ _ the best tennis ­player in the world.

70 . —Why do you look pale today?

【回答】

1. to  2. to 3. on_4. whether 5. than   7at 8 where t

知识点：其他

题型：未分类