问题
选择题
Please____all the figures to see how much they ____. [ ]
A. add; add up to
B. add up;add up to
C. add up;add up
D. add; add to
答案
B
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Please____all the figures to see how much they ____. [ ]
A. add; add up to
B. add up;add up to
C. add up;add up
D. add; add to
B