52. raise some money for them/donate some money to them　

50.see an advertisement in the newspaper

51 send them some stationery=send…to them…　　　　　

49. collect notebooks and writing paper

48. have enough stationery to use

47. the children from/in the poor area(s) / children in need

46. help the poor(穷人)

45. spend your pocket money(零花钱)

44. can you say it again ?

43. I can’t hear you well

42. need some help(n) with my homework

Need you to carry all the bags./need something to eat