61.  In class, my teacher said:" he is taller than I ."

62.  I am not understand which is right and why .

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.  It's really a got day.

68.  It's about 30 drgree centigrade .

69.  It's seven o'clock in the morning.

70.  There is a flag-pole before them.