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单选

In the text, the reason why the radio says" Drive only when necessary "is that ______.

  • A.there was too much snow out of the door
  • B.the first "energy crisis" came
  • C.the road was smooth for the ice
  • D.it's too cold to go out
试题出自试卷《自考高级英语练习题及答案(2)》
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