61.  The infant mortaility is 20 percent in 1960 and it's under 10 percent in 1990.

62.  While it was under one hundred deaths per one thousand births .

63.  There is a precedure everything under the sun .

64.  Under this condition, it will be very difficult for you to find a good way to solve the problem you facing.

65.  The under Maybe the answer.

66.  In their opinion, we can get fresh water from rain, river, lake, under the ground etc.But in fact, we are very short of fresh water.

67.  If we are under limited conditions, we should have it in our minds that will make us do our things better .

68.  A man who have achieve much success must be patient and takes steps when their causes are under way.Many people when they work are often easily dispointed and stop halfway, For example my friend Li Hai is such a man.

69.  Haste makes us anxious and anxious makes us unsensitible which leads to a waste in the end.We must keep a calm head under any circumstance.

70.  At first, we should educate people runing business under the law.