问题
选择题
_____ the catastrophe happened that the local government realized the importance of substantial development.
A．It was until
B．Not until
C．Until
D．It was not until
答案
答案：D
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_____ the catastrophe happened that the local government realized the importance of substantial development.
A．It was until
B．Not until
C．Until
D．It was not until
答案：D