PREP-28

terry9115 · 发表于 2011-7-25 14:48:26

Polio, although it is eradicated in the United States, it continues elsewhere and is able to be brought into the country by visitors.

(A) Polio, although it is eradicated in the United States, it continues elsewhere and is able to be

(B) Polio, although eradicated in the United States, it still continues elsewhere and can be

(C) Although still continuing elsewhere, polio has been eradicated in the United States and could be

(D) Although having been eradicated in the United States, polio still continues elsewhere and is capable of being

(E) Although eradicated in the United States, polio continues elsewhere and could be

答案是E，但是为什么continues 可以和could并存？

terry9115 · 发表于 2011-7-25 18:14:15

自己顶起啊....

terry9115 · 发表于 2011-7-25 23:56:36

怎么这么悲催啊！没个大师给个点拨吗？

justinfang · 发表于 2011-7-26 11:43:19

could be是虚拟吧？现在时态的虚拟

本贴相关题目 OG-2015V-SC-36 | GMATPrep-2007E1-SC-28 (TJPW)

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