问题
选择题
His whole school education _____ only 2 years because of his illness.[ ]
A. added up
B. added up to
C. added to
D. was added up to
答案
答案：B
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His whole school education _____ only 2 years because of his illness.[ ]
A. added up
B. added up to
C. added to
D. was added up to
答案：B