If you his wife’s ine his own，the total of their ine 3000 yuan.
A. add; to; will add up to
B. add; to; adds to
C. add up; to; adds up to
D. will add; for; adds up
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(答案→)A. add; to; will add up to
B. add; to; adds to
C. add up; to; adds up to
D. will add; for; adds up
解析：考查if引导条件状语从句及词的用法。主句用一般将来时，从句用一般现在时表将来。排除D。Add...to 把...加在..., add up to总计达, add to增添。句意：如果把他妻子的收入和他的收入加起来，总计达3000元。