21. after that he worked more hard and he became irritable .sometime I had a little mistake or I had no mistake at all he said to me angrily when he was unhappy.
22. My mother is a worker, Maybe she has no beautiful face .
23. sixteen years, it's rather a long time, my mother had worked for so many days had no words .
24. today is sunny ,the sky is very blue, and no wind .
25. Mother had no ideas but press then into powder and let me drink it out .
26. No one good climber with strong heats should try Popo .
27. "No!" said the other children, " better safe that sorry ."
28. No body is hurt and killed.
29. The streets I have been in the No.4 Middle School or almost five years, the streets around the school have no change, too.
30. Though it is difficult for me to do that, and I have no confidence for it, I can try my best to do it well.