问题补充：
10.That year his total income, with his reward , 1500 dollars.
A. added up to; added
B. added; added to
C. added to; added up to
D. adds; adds up to
答案：
A. added up to; added
B. added; added to
(答案→)C. added to; added up to
D. adds; adds up to
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