问题
选择题
The construction of Xi' an Metro line 3 will start in 2011,______ is of great value to the whole citizens.[ ]
A. where
B. what
C. which
D. whose
答案
答案：C
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The construction of Xi' an Metro line 3 will start in 2011,______ is of great value to the whole citizens.[ ]
A. where
B. what
C. which
D. whose
答案：C