66. How many         (奖牌) did China get in the 28th Olympic Games?

  67. He is a           (老的) customer of our shops.

  68. We should shoulder         (责任) of taking care of the old.

  69. Nothing can           (替代) a mother’s love and care.

  70. Can you help me          (解决) the problem in another way?

  71. The automobile caused a          (革命) in our way of travelling.

  72. Man should protect             (野生动植物) for his own existence.

  73. A cow has four          (胃).

  74. Everything has its advantage and            （弱势）.

  75. The public pay more attention to the         (质量) of milk after the Sanlu tainted

      milk case.

How many ___________ (奖牌) did China get in the 28^th Olympic Games?