The project, ______ by the end of 2000, will expand the city’s telephone network to cover 1, 000,000 users.

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问题 The project, ______ by the end of 2000, will expand the city’s telephone network to cover 1, 000,000 users.

选项 A、accomplished
B、being accomplished
C、to have been accomplished
D、having been accomplished

答案C

解析 根据谓语动词的时态和by the end of 2000短语,我们可以肯定accomplish是将来某一时间前完成的动作,所以要使用不定式和完成时,例如:Here we found little snow,as most of it seemed to have been blown off the mountain.在这里我们几乎见不到雪,好像大部分雪都被风吹到山下了。Some books seem to have been written,not to teach us anything,but to
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