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Because of the Russian gas limit to Europe, attempts _______ to use botanical fuel as a source of power.
A.have madeB.having madeC.are being madeD.will be making

答案
C
解析

核心考点
试题【Because of the Russian gas limit to Europe, attempts _______ to use botanical fu】;主要考察你对一般现在时等知识点的理解。[详细]
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As well as costing the Middle East dearly in terms of human life, conflict! (冲突) _______ the region around $ 12 trillion since 1991, according to a report by the Strategic Foresight Group.
A.is also costB.had also costC.will also costD.has also cost

题型:不详难度:| 查看答案
 —I wonder if you could go to the movie with me.
—Oh, just leave me alone. I _______ a composition all the morning and haven’t finished yet.
A.writeB.was writingC.have written D.have been writing

题型:不详难度:| 查看答案
You really need to go out and get some fresh air and sunshine.You ___overworked during the last two weeks.
A.have beenB.wereC.had beenD.would be

题型:不详难度:| 查看答案
Ann ______ here any more.She left last month.
      
A.won"t workB.doesn"t work C.hasn"t workedD.isn"t working

题型:不详难度:| 查看答案
You really need to go out and get some fresh air and sunshine.You ______ overworked during the last  two weeks.      
A.have beenB.wereC.had beenD.would be

题型:不详难度:| 查看答案
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