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】介詞的用法。句意：我們能夠從雨水、河流或地下得到清新的水。介詞across“穿過”；under“在….的下面”；over“在….的上面”；off“離開”，只有B符合題意。

 

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