The No. l subway,at the end of 20l4, will greatly improve the traffic conditions in Qingda

发布时间：2020-08-17 02:05:45

The No. l subway,    at the end of 20l4, will greatly improve the traffic conditions in Qingdao.
A. opened
B. was opened
C. opens
D. to be opened

网友回答

A. opened
B. was opened
C. opens
(答案→)D. to be opened
解析：句意：一号地铁将在2014年开放使用，到那时会大大地提高青岛的交通条件。这里整个句子已经有谓语动词，又没有连词所以空处应该用非谓语动词，由于时间状语at the end of 20l4，表示将来，The No. l subway与open之间是被动关系，既表将来又表被动，所以用动词不定式的被动，故选D。
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