Difficult as the question was, David ____ to find an answer．A．failedB．succeededC_刷题宝

题干

Difficult as the question was, David ____ to find an answer．

A．failed

B．succeeded

C．forced

D．managed

上一题下一题 0.85难度单项选择更新时间:2010-06-05 07:50:59

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