问题
选择题
The teaching building of our school_____ for many times.
A．has been added to
B．has added to
C．has been added up to
D．has added up to
答案
答案：A
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The teaching building of our school_____ for many times.
A．has been added to
B．has added to
C．has been added up to
D．has added up to
答案：A