66. After nearly 20 hours in the operating room (手术室), the e_________ mother smiled when she heard the cry of her newborn baby. 67. After finishing the work in the garden,she l_________ flat on her back in the warm sunshineenjoyably. 68. It is not good m_________ to disturb(打扰) others when they are occupied/busy with their work. 69. When did the world come into e_________? It still remains a mystery. 70. Some stores will give 5 percent d_________ for paymentin cash. 71. Deeply moved by her performance, the audience all stood up and applauded with a_________. 72. It was only after his wife left him that he realized that how much he r_________ on her. 73. The Yellow Emperor and Yan Emperor arebelieved to be the a_________ of our Chinese people. 74. He alwaysa_________ great importance to leaving behind unnecessary items to live simple.
答案:66.how 67..exhausted 68.lay 69.manners 70.existence 71.discount 72.admiration 73.relied 74.ancestors 75.attaches