1.  Outside the windows, I saw seven or eight children swimming in the river.

2.  It founded in 1961, in that time, there's two classes, eighty people and eight teacher , and had one classroom .

3.  He said eight students' name , my name was in them sn8,13-6] , I thought I will be awarded, But it next ,Teacher Zhu asked us to carry the desk next Monday.

4.  There Maybe seven or eight ones .

5.  At the running , eight runners are both try their best to run fast.

6.  This we must examine eight subjects, and the history must examine all the knowledge in the book.

7.  Through the window, I saw seven or eight children swimming in the river, many of them are good at swim .

8.  We have eight parts of lessons every day.

9.  Today I saw seven or eight children swim in the river.

10.  We have eight subjects---politics, Chinese, maths, physics, chemistry, English, history and organisms .