61. --- I am not _____ this city. Would you please introduce it to me?

--- With pleasure.

62. This area is famous _____ its apples and it is famous _____ the home of apple.

63. The plan for a new airport have been scrapped __________ an extension to the old one.

64. They hurried away _____ fear that should be caught in rain.

65. Two dogs ______ a bone, and a third runs away with it.

66. When the good news that our football team won the championship, the hall was at once _______ great joy.

67. The Prime Minister was more fit __________ his office than anyone else.

68. When the boy playing by the river fell into the river, I was out of the room _______.

69. With the guide leading the way, the visitors were able to travel through the forest not by air but _____ foot.

70. I know it is difficult __________ him to talk like the lecturer, but I think he should grasp every chance .