问题
选择题
______ you have become slaves of your money, you won't be able to live a happy life. [ ]
A. While
B. Once
C. As
D. As soon as
答案
答案：B
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______ you have become slaves of your money, you won't be able to live a happy life. [ ]
A. While
B. Once
C. As
D. As soon as
答案：B