24. The Niagara Waterfalls, ______ is shaped like a semicircle, are 670meters wide, and fall 56 meters in an awesome white sheet of water.
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.
66. When the good news that our football team won the championship, the hall was at once _______ great joy.
65. Two dogs ______ a bone, and a third runs away with it.
64. They hurried away _____ fear that should be caught in rain.