问题
单项选择题
A man has to make______for his old age by putting aside enough money to live when olD．
A．supply
B．assurance
C．provision
D．adjustment
答案
参考答案：C
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A man has to make______for his old age by putting aside enough money to live when olD．
A．supply
B．assurance
C．provision
D．adjustment
参考答案：C