问题
选择题
His whole school education ________ only half a year, because his family was very poor.[ ]
A．added up
B．added up in
C．added up to
D．was added up
答案
答案：C
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His whole school education ________ only half a year, because his family was very poor.[ ]
A．added up
B．added up in
C．added up to
D．was added up
答案：C
