As it turned out to be a problem of no importance , we so much time looking
题型：不详难度：来源：
As it turned out to be a problem of no importance , we so much time looking into it . | A．needn’t spend | B．didn’t have to spend | | C．needn’t have spent | D．oughtn’t to spend |
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答案
| C |
解析
试题分析：句意：因为结果证明这是个不重要的问题，我们本不必花这么多的时间调查它。从这句话的一般过去时态，可以判断AD是错的，B项是过去不必做，是表示事实，而这里表示的是虚拟语气，本不必做而做了，用needn’t have done，选C。 |
举一反三
Their answers are exactly the same. One of them ___ from the other.| A．must copy | B．must have copied | C．should copy | D．should have copied |
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— I didn’t care about what other people thought about me.
— Well, you ________.| A．should | B．could | C．would have | D．ought to have |
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--- Mike, since you don’t like to see the film with us, you ____ as well watch TV at home.
--- OK, Mum. |
---- ___ she come to see you today ?
---- Of course,please. And I’d rather she _____ me the truth.| A．will; informed | B．Can; inform | C．Shall; told | D．Should; will tell |
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Don’t worry about your future. As long as you try your best, a great future ________ wait for you on your way. | A．would | B．can | C．must | D．should |
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