.In the country area about one in ten ______ have enough to eat.A．haven’tB．aren
题型：不详难度：来源：
.In the country area about one in ten ______ have enough to eat.| A．haven’t | B．aren’t | C．hadn’t | D．didn’t |
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答案
| D |
解析
| 考查时态。句意：这个国家的十分之一的地区没有足够的吃的东西。结合语境可知本句描述的是某种状态，根据谓语动词have可知助动词只能选D，过去时态，本句用现在时态也行，但是不能用完成不能用完成时态。 |
举一反三
| 30 % of the young trees, attacked by diseases, ________pine trees. |
– What _______to stop this world _____hungry?
--- Birth control.| A．can be done; to go | B．we do; going | | C．can be done; going | D．will happen; going |
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We _______-word from him so far. Where could he be?| A．don’t have | B．haven’t any | C．have no | D．have had no |
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The problem with people in Africa ____that the more is given and the more ______.| A．is; is needed | B．are; is needed | C．is; they need it | D．are; they need it |
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They say in many western countries a large number of beef cattle ________.| A．are raised | B．is raised | C．is risen | D．rise |
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