We on it for several hours but we haven"t yet reached any conclusion. A．are
题型：不详难度：来源：
We on it for several hours but we haven"t yet reached any conclusion. | A．are working | B．work | C．have been worked | D．have been working |
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答案
| D |
解析
试题分析：考查时态。for+一段时间，与完成时连用，排除A、B；we与work是主谓关系，不应该使用被动语态，排除C；现在完成进行时可以表示动作有可能继续下去。句意：我们已经讨论了几个小时，但还没有达成任何结论。讨论有可能继续下去，用现在完成进行时较好，故选D。 |
举一反三
I listened carefully to his long boring speech, but could not what he was talking about. | A．pick out | B．make out | C．bring out | D．give out |
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On no account can parents always _______ with the children, otherwise they will become more greedy and come up with more unreasonable requests. | A．compromise | B．overlook | C．disapprove | D．cooperate |
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We human beings experience a great liberalization and open-mindedness, which is ______ in our daily attitude to the disabled, olds, females, especially homosexual populations. | A．distinguished | B．mirrored | C．declared | D．substituted |
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The discovery of the oil field, to the delight of the whole nation, will largely _______ the country’s dependence on imports of energy.| A．adjust | B．affect | C．settle | D．ease |
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A new study finds that sitting can shorten a person’s life almost as much as smoking can, which _______ just how damaging inactivity can be.| A．estimates | B．highlights | C．dominates | D．ensures |
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