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If current trends continue, by the year 2010 carbon emissions in the United States will soar to a level more than one-third high than were those in 1990, according to official projections. A. will soar to a level more than one-third high than were those B. will soar to a level more than one-third high than that C. would soar to a level more than one-third high than it was D. would soar to a level more than one-third high than were those E. would soar to a level more than one-third high than they were 答案是B,我选了D, 我有两个问题,想请教 1.will 为什么不用would,选用虚拟语气的方法? 2. carbon emissions 在后面为什么用that 代替,而不用those??? |
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