The police ran ______ all possible leads in the case.A、inB、upC、againstD、down

游客2023-11-22  20

问题 The police ran ______ all possible leads in the case.

选项 A、in
B、up
C、against
D、down

答案 D

解析 此题考查动词词组搭配。run down意思是“追溯,追踪…的来源;用完,跑下,停止”;run in意思是“跑进,顺便探访,拘留”;run up意思是“向上跑,赶制,迅速积累”;run against意思是“撞上,偶遇,违反”。
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