Alex changed his mind at the last minute，otherwise we ________ an agreement.A．sh
题型：不详难度：来源：
Alex changed his mind at the last minute，otherwise we ________ an agreement.| A．should have reached | B．could have reached | | C．can reach | D．should reach |
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答案
| B |
解析
句意为：亚历克斯最终改变了主意，否则的话我们就会达成一致了。对过去事情的推测，应该使用“情态动词＋have done”。should have done应该已经做了……；could have done很可能已经做了……。所以应该选择B项。 |
举一反三
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