中国人口占全世界人口的五分之一.
The population of China is of the world's population.
The age of my friends is 14 to 16years old.
The sun rises in the and falls in the west.
My little baby sister is so lovely.We all like .
March is the month in a year.
What did Mr.Li say to the graduated students?
He said that (他们所学的知识应该被传授给贫穷地区的人们) to help them become rich.(pass)