Such changes, Acombined with the erosion of Bthe area’s barrier islands, and the Bush administration’s policy of Copening up mor

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问题 Such changes, Acombined with the erosion of Bthe area’s barrier islands, and the Bush administration’s policy of Copening up more wetlands to development, weakened the natural frontline defense against a hurricane storm surge Dand leave the city more vulnerable to death and destruction.

选项

答案D

解析 本题的主要结构是“Such changes…weakened…and leave”,从中可以看出,“leave”与“weakened”是并列谓语。时态应一致,因此应将“and leave”改为“and left”。
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