Many years ago,there____ a rich area.A:get used to.B:be used to being.C:used to be.D:has been
题目
Many years ago,there____ a rich area.A:get used to.B:be used to being.C:used to be.D:has been
四个选项中哪个是正确的
答案
C
used to be 过去曾经是
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