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More and more old people go to the universities for the aged in order to avoid _____ from the outside world.

A. cutting off     
B. being cut off   
C. to cut off     
D. to be cut off
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科目:高中英语 来源:期中题 题型:单选题

More and more old people go to the universities for the aged in order to avoid _____ from the outside world.
[     ]
A. cutting off     
B. being cut off   
C. to cut off     
D. to be cut off

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