sdrinking的知识精选

Thetown’sdrinking-water
问题详情:Thetown’sdrinking-water_____withprimchemicalsatpresent.A.contaminates    B.iscontaminated    C.isbeingcontaminated   D.hasbeencontaminated【回答】C解析:“这城市的饮用水目前正受到有...
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