61.  It has been developing country, with Bei Jing as its arpital .

62.  When his body was dragged out of water, his dog named Jackson saw it and licked its little owner's foot, with tears full of its eyes.

63.  But its important reason is that the pollution of fresh water are increased quickly.

64.  Its need of fresh water is increase , too.

65.  First, its fast developing has produced a lot of new knowledge and new technics .

66.  We should go into the society and feel its rapid changes and the race of its development.

67.  Anything has its advantage and disadvantage.

68.  We should create many conditions to cause the fire to apply to its advantage, and try our best to avoid it disadvantage.

69.  English has its methods of word building.

70.  Generally speaking, the part-time job has its advantages and disadvantages.