评论
打印61. on→by?
62. unaware→aware
63. as→than
64. it→which
65. at→in
66. hasn't→hadn't
67. American→Arab?
68. as→like
69. falls→fell
70. of→删
61. on→by?
62. unaware→aware
63. as→than
64. it→which
65. at→in
66. hasn't→hadn't
67. American→Arab?
68. as→like
69. falls→fell
70. of→删
