填空题

  • A. in the development of air transportation
  • B. the earliest passenger flights were successfully operated
  • C. to make travel easy and pleasant for the passengers
  • D. to provide different services
  • E. the shortage of qualified pilots
  • F. travelling by air was very cheap

Nowadays airports provide all kinds of services______.

【参考答案】

C
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单项选择题
The writer’s mother always had car accidents later because______.
A．she could not control the car
B．she was very old then
C．she did not understand the road system
D．she behaved arrogantly
填空题
B
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