63. It is not uncommon for there ( )problems of communication between the old and the young.

78. He listened hard but still couldn't what they were talking about. ( )

77. You can actually see the deer at close range while driving through that area. The italicized phrase means ( ).

76. The teacher told the students to stay in the classroom and they did ( ).

75. His( ) in gambling has eventually brought about his ruin.

74. Joan is in the dorm, putting the final ( ) to her speech.

73. The police had difficulty in ( ) the fans fi'om rushing on to the stage to take photos with the singer.

72. Because of the economic crisis, industrial output in the region remained( )

71. The team has been working overtime on the research project ( ).

70. In the face of unexpected difficulties, he demonstrated a talent for quick, ( ) action.

69. School started on a ( ) cold day in February.