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  • 科目:英语
  • 题型:单选题
  • 难度:较易
  • 人气:1080

—Many people talk about "Didi". I really wonder ______.
—You call to order a taxi through it on your mobile phone easily.
A. how can I use them
B. who uses them most
C. what they are used for

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—ManypeopletalkaboutDidi.Ireal