55. It’s said that the price of material around the world 　　　　　(rise) quickly recently.

54. The old scientist devoted all her time she had to 　　　　(develop) the western parts of China.

53. Among the patients that poor girl was 　　　　　( terrible) ill.

52. I’m sorry I didn’t hear what you said because I 　　　　　(type) the letter.

51. It is reported that millions of money ____(raise) to support the people in poor these days.