61.  Then the June came, the weather become good, so I think June is the best swimming month .

62.  can clean the air, when the air is dirty, it take in the harmful gas and give out the O2 , then the air becomes good, and it make us good health .

63.  It is only two months for us to have the exam.

64.  My new school is a key school which has about seventy years' history.

65.  Now there is thirty Six classes, one thousand eight hundred students and more than two hundred teacher in the school.

66.  My school is large and beautiful.

67.  I think June is one of the best season in a year.

68.  A flag-raising ceremony is being held in our school.

69.  There is a flag-pole before them.

70.  The five-starred Red Flag is going up slowly and fluttering in the breeze.