问题
选择题
The threestorey building, ________in the 18th century, was turned into a museum in 1960. [ ]
A. constructing
B. constructed
C. being constructed
D. when constructed
答案
答案：B
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The threestorey building, ________in the 18th century, was turned into a museum in 1960. [ ]
A. constructing
B. constructed
C. being constructed
D. when constructed
答案：B