61、At first the company refused to purchase the equipment, but this decision was( ) revised.

61. He is not under arrest, ( ) any restriction on him

60. You and I could hardly understand, ( ).

59. He prefers( ).

58. ( )I was very much mistaken, there was something wrong with Louise.

57. You'd better look at the difficulty( ).

56. It was not until midnight( ) the snowcapped peak.

55. The meetings have been cancelled. Ann ( ) all that work.

54. The idea of traveling through ( )space to other planets interests many people today.

53. He resented ( )to wait. He expected the minister( ) him at once.

52. He noticed the helicopter hovering over the field. Then to his astonishment, he saw a rope ladder ( ) out and three men climbing down it.