In its most recent approach, the comet Crommelin passed the Earth at about the same distance and in about the same position, some 25 degrees above the horizon, that Halley's Comet will pass the next time it appears. (A) that Halley's comet will pass (B) that Halley's comet is to be passing (C) as Halley's comet (D) as will Halley's comet (E) as Halley's comet will do 答案是D 但是E选项的do 为什么不对呢? 为什么要省略 还有省略结构中有关情态动词的省略原则是什么啊? 谢谢大家
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发表于 2009-8-23 14:50:00
