问题
选择题
The No. 1 subway, _____ in December 2011, will greatly improve the traffic conditions in Chengdu
A. opened
B. to be opened
C. being opened
D. to open
答案
答案：B
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The No. 1 subway, _____ in December 2011, will greatly improve the traffic conditions in Chengdu
A. opened
B. to be opened
C. being opened
D. to open
答案：B