41.  and some children felt hungry but we could do nothing.

42.  and can see the classmate all are do hard, some classmates tough didn't get the first but they were happy, and some classmates had wound .

43.  when we met some questions different, we fist , argued with other classmate.

44.  we study more than usual and some problem was reminded .we recived very good effect .

45.  He gave hem some other papers.

46.  I catch sight of some children swiming in the river.

47.  I was lucky to make some new friends here .

48.  so she Decide changed the condition .one day , Mr Li went out to look for some grass for his cows.

49.  some girls who study English found that it is difficult to study English.

50.  For example, hare some difficulty in produacing some world , make this grammer into other grammer and so on .