2. 外语
  3. They have been trying to arrive at a practical solution______the problem .

They have been trying to arrive at a practical solution______the problem .

admin2014-01-11  71
问题 They have been trying to arrive at a practical solution______the problem .
选项 A、in
B、to
C、on
D、with
答案B
解析 句意：他们尝试想出一个可行的解决这个问题的方法。
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成人本科学位英语

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