---Nanjingdevelopssofast.Afourthundergroundlineisbeingbuilt.---That’str

发布时间：2020-08-14 09:09:06

---Nanjing develops so fast. A fourth underground line is being built.
---That’s true. It ______ a lot already.A.changesB.changedC.has changed    B. will change

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C解析already是现在完成时的标志词。
以上问题属网友观点，不代表本站立场，仅供参考！