问题
选择题
It doesn't matter what you do and how much you earn _______ you are happy.
[ ]
A. as long as
B. unless
C. even if
D. although
答案
答案：A
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It doesn't matter what you do and how much you earn _______ you are happy.
[ ]
A. as long as
B. unless
C. even if
D. although
答案：A