73. It is not right _____ a person who is _____ trouble.

72. We couldn’t read the notice on the board because several people were standing _______ it.

71. People eat a lot of sugar __________ cakes, soft drinks, sweets and so on every day.

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

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

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

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

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

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

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