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OG12 8 A选项为什么不用并列?有and一定并列么?为什么答案说E就必须并列?![](/static/legacy-emoticon/1.gif)
8. The widely accepted big bang theory holds that the universe began in an explosive instant ten to twenty billion years ago and has been expanding ever since.
(A) that the universe began in an explosive instant ten to twenty billion years ago and has been expanding
(E)the universe to have begun in an explosive instant ten to twenty billion years ago and has been expanding |
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