题目内容
China’s high-speed railways(中国高铁)________ rapidly during the past few years. Now many foreign countries invite them to make contributions to building up their homelands.
A. have developed
B. developed
C. develop
A
【解析】
试题分析:根据题意可知用现在完成时have done的结构;句意:中国的高速铁路已经迅速在过去的几年中发展起来。现在许多国家邀请他们来建设自己的家园作出贡献。。结合句意,故选A
考点:考查动词的时态。
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