The trouble with such resources as coal, oil and gas ______ that they are not re
题型：不详难度：来源：
The trouble with such resources as coal, oil and gas ______ that they are not renewable.| A．was | B．are | C．have been | D．is |
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答案
| D |
解析
试题分析：句意：象煤，油和气这样的资源问题是它们不是可再生的。这句话是客观事实，所以用一般现在时，又因为主语是the trouble所以谓语用单数，所以选D。 |
举一反三
He ______ a book about his adventures in Tibet. I hope he can find a good publisher when it is finished.| A．was writing | B．wrote | C．has already written | D．is currently writing |
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—The constant noise around here______ me crazy!
—Calm down.It’s no use complaining.| A．drove | B．drives | C．is driving | D．had driven |
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—Will you attend the meeting this afternoon?
—But I ________ told anything about it.| A．haven"t been | B．am not | C．wasn"t | D．won’t be |
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The government has taken measures to______the high prices of daily goods to keep the market stable．| A．put down | B．tear down | C．hand down | D．bring down |
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—Why didn’t you answer the phone when I called you last night?
—Sorry, I __________ a bath upstairs.| A．am having | B．have | C．was having | D．had |
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