51. She is a brave and honesty girl.
52. It is much easy to make plans than to carry them out.
53. It is convenient for me to prepare for the exam than before.
54. He gave me an order worthy 15 million dollars.
55. The tree was put into a Christmas stand that holds the tree up straightly.
56. Is teaching kids English as interested as you expected in college?
57. We had guests last night who had not stayed in it ago.
58. We are all very much active and the activities are enjoyable.
59. If you won’t want to take a taxi, you can go by bus.
60. Our city is a modern city. It set up in the early 1980s.
参考答案：51-55 honesty-honest; easy-easier; is后加more; worthy-worth; straightly-straight;56-60 interested-interesting; ago-before; 删除much; won’t-don’t; It后加was;