问题描述：
My father has been in Nanjing for several years,but he____to the city life y
A.hasn't used B.wasn't used C.isn't used D.didn't use
My father has been in Nanjing for several years,but he____to the city life yet.
A.hasn't used B.wasn't used C.isn't used D.didn't use
My father has been in Nanjing for several years,but he____to the city life yet.
问题解答：
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