填空题

  • A. to send goods to various pans of the world
  • B. at any time during the year
  • C. has greatly promoted trade
  • D. is it possible to produce on a large scale
  • E. the transport of goods
  • F. it is possible to produce on a large scale

Only when goods can be carried to all parts of the world quickly ______.

【参考答案】

D
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