According to the survey, two thirds of the area__________covered by trees now a
题型：不详难度：来源：
According to the survey, two thirds of the area__________covered by trees now and 90% of the population__________contributions to the Greening Project in the city.| A．is ; has made | B．are; have made | | C．is; have made | D．are; has made |
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答案
| C |
解析
| 这题考察主谓 一致,当主语是分数和百分数时,谓语和它们修饰的名词一致,因为第一空的主语是 two thirds of the area所以第一空填is, ,第二空主语是90% of the population,强调具体的人,填have made.选C. |
举一反三
—What’s that noise, John?
—Sorry, Linda．I forgot to tell you．The school library ______．| A．is rebuilt | B．is being rebuilt | C．was rebuilt | D．has been rebuilt |
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—I’m trying to find yesterday’s newspaper．Have you seen it?
—I’m afraid that I ______ it away．I thought you had finished reading it．| A．threw | B．had thrown | C．throw | D．will throw |
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When I came back from my 10-day holiday, I found the fish tank was broken and the fish______.| A．has died | B．had died | C．would die | D．died |
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--Mom, can we move into our new house this weekend?
---No, it _________.| A．is painted | B．is painting | C．was painted | D．is being painted |
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Every few years, the coal workers their lungs X-rayed to ensure their health.| A．are having | B．have | C．have had | D．had had |
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