So far a total of 19 cases______ and another 36 people are being treated on the
题型：不详难度：来源：
So far a total of 19 cases______ and another 36 people are being treated on the assumption that they are infected with Legionnaires Disease.| A．were confirmed | B．have confirmed | C．are confirmed | D．have been confirmed |
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答案
| D |
解析
| 考查时态语态。So far与现在完成时连用，排除AC。句意：到目前为止一共19个案例已经被确认了，另外36个人正在被治疗。故应该使用被动语态。D正确。 |
举一反三
Where _______ for the past few years?| A．are you | B．have you been | C．have you gone | D．did you go |
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Mary said that she ___________ London.| A．has never gone to | B．has never been ,to | | C．had never been to | D．had never gone to |
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The number of deaths from heart disease will be reduced greatly if people_______ to eat more fruit and vegetables.| A．persuade | B．will persuade | | C．be persuaded | D．are persuaded |
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John _______ for London this afternoon and his flight _______ off at 18:20.| A．is about to leave; will take | B．is leaving; takes | | C．is going to leave; is taking | D．is to leave; is about to take |
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I’ve won a holiday for two to Florida. I _______ my mother.| A．have taken | B．am taking | | C．take | D．will have taken |
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