61. is it yours? 这是你的吗?
62. that's neat. 这很好
63. are you sure? 你肯定吗?
64. do l have to 非做不可吗?
65. he is my age. 他和我同岁
66. here you are. 给你
67. no one knows . 没有人知道
68. take it easy. 别紧张
69. what a pity太遗憾了! too bad/too sad
70. any thing else? 还要别的吗?