The research requires more money than ______.[2007]A.have been put inB.has been put inC.be
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The research requires more money than ______.[2007]
A.have been put in
B.has been put in
C.being put in
D.to be put in
请帮忙给出正确答案和分析,谢谢!
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正确答案:B
本句中连词than后面省略了主语it,此处it指代的是前面提到的money,因此要求后面的动词用单数;从语义上来看,这里是比较需要的钱和已经投入的钱,故用现在完成式hasbeenputin,故B正确。
