21. Would you please to help me to work out it?
22. When I was a Junior middle school student, my poorents work very far from me , so I had to live at school, I could see them only one time each month , I felt very lonely, it's too hard for me .
23. My father had to clean alone because my mother had to go to work that day.
24. We had only thirteen days to do it so that I had almost finished the homework before February 1.Except maths and physics, I must wasted a long time to work out every question.
25. I almost did the same work in several days.
26. Almost people who live in Beijing go to work by bus or by bike.
27. We work five days in a week, and every day we work eight hours.
28. Tonight I work deep into the night gain.
29. Now, we are talking about today's home work of methematics .
30. Now the school has thirty-six classes and there are one thousand and eight hundred stydents and two hundred teachers study or work in it .