高等继续教育 / 电子商务英语
正确率：100%
题型描述: 单选题
Commercial hanks make most of their income from interest ＿＿＿＿＿＿＿＿ on loans and in vestments in stocks and bonds.
A.earned
B.to earn
C.earnx
D.was earned
Commercial hanks make most of their income from interest ＿＿＿＿＿＿＿＿ on loans and in vestments in stocks and bonds.
A.earned
B.to earn
C.earnx
D.was earned
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