— Why does the lake smell terrible?
— Because large quantities of water ____. |
|
[ ]
|
A. have polluted
B. are being polluted
C. has been polluted
D. have been polluted |
根据魔方格专家分析，试题“— Why does the lake smell terrible? — Because large quantities of water ____.[ ]A. have polluted B. are being polluted C. has been polluted D. have been po…”主要考查了你对 【现在完成时的被动语态】，【主谓一致】 等知识点的理解和应用能力。关于这些知识点的“档案”，你可以点击相应的链接进行查看和学习。
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