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We can get fresh water from rain, from rivers, or from ________ the ground.

    A. across           B. under                C. over             D. off

 

【答案】

B

【解析】介词的用法。句意:我们能够从雨水、河流或地下得到清新的水。介词across“穿过”;under“在….的下面”;over“在….的上面”;off“离开”,只有B符合题意。

 

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