问题
选择题
The number 9.11 is a special number, ____, I think, that will be remembered by the Americans forever.[ ]
A. what
B. it
C. which
D. one
答案
D
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The number 9.11 is a special number, ____, I think, that will be remembered by the Americans forever.[ ]
A. what
B. it
C. which
D. one
D