. The purpose of the research had a more important meaning for them than ____.A．

题干

. The purpose of the research had a more important meaning for them than ____.

A．ours

B．those of ours

C．it had for ours

D．it did for us

上一题下一题 0.85难度单项选择更新时间:2010-06-30 06:14:20

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