问题
选择题
The Bird Nest _____ in Beijing the year before last. It was for the 2008 Olympic Games. [ ]
A. build
B. was built
C. was building
D. built
答案
答案：B
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The Bird Nest _____ in Beijing the year before last. It was for the 2008 Olympic Games. [ ]
A. build
B. was built
C. was building
D. built
答案：B