We _____ finish it ahead of time, though it was such a tough task.A. could B.
题型：不详难度：来源：
We _____ finish it ahead of time, though it was such a tough task.
A. could B. would C. were able to C. ought to |
答案
| C |
解析
句意“虽然这是一项十分艰巨的任务，我们还是提前完成了”，表示经过特殊的努力而完成的努力，应用be able to;could 只表示一般性能力。
【标签】情态动词辨析 |
举一反三
Since you have such good preparations, there ____ be any problem about passing the coming job interview.| A．mustn’t | B．shan;t | C．shouldn’t | D．needn’t |
|
— You ought to have called her yesterday .
— Yes , I know I ____ . | A．ought to | B．ought to have | C．ought have done | D．ought to have called |
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Why did you keep it a secret from me ? I ____ about it .| A．should be told | B．ought to have been told | | C．should have told | D．ought to be told |
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The girl was frightened by the thief , and she stood there without ____ speak . | A．daring to | B．daring | C．dare to | D．dared to |
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| ____ the bike Smith had stolen ? |
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