All of us are pleased to see the problem ______ so quickly．A．solveB．solvingC．to_刷题宝

题干

All of us are pleased to see the problem ______ so quickly．

A．solve	B．solving
C．to solve	D．solved

上一题下一题 0.64难度单项选择更新时间:2013-11-21 10:57:52

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