74. The two nations ________(不同) in culture and religion.

73. What ________ (令人烦恼的) news it is!

72. Now there’s a new ________(突破) in cloning.

71. He knows ________(确切) where our teacher lives.

70. He has been working so hard at his lessons, so he ________ ________ ________ (一定) pass the exam this time.

69. ________(显然), he has lost interest in physics.

68. Only a few of them thought highly of the plan. The ________(大多数) were against it.

67. My father ________(雇佣) three men to help him with the harvest last summer.

66. They keep connected with each other ________ ________ ________ (借助)the telephone.