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    1147] A great number of tall buildings in the last twenty years. [译文] 在最近二十年间.许多高大的建筑物修起来了. A. have been built B. has been built C. have built D. had been built [答案及简析] A. 句子中有in the last - 的短语.该句的时态应该是现在完成时态. 【查看更多】

     

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