问题
选择题
Sooner or later, the old palace will get ruined if ______.
A．being left unrepaired
B．not left repaired
C．left unrepaired
D．having left unrepaired
答案
答案：C
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Sooner or later, the old palace will get ruined if ______.
A．being left unrepaired
B．not left repaired
C．left unrepaired
D．having left unrepaired
答案：C