乌鲁木齐五十二中
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  • 科目:英语
  • 题型:单选题
  • 难度:中等
  • 人气:743

______ to smoking for a considerably long time, he has much difficulty quitting it.

A.Having been addicted B.Being addicted
C.To have been addicted D.Having addicted
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______ to smoking for a consid