We have been acquainted each other for a long time. [ ]A.over B. for C. by D. wi
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![We have been acquainted each other for a long time. [ ]A.over B. for C. by D. wi](/pic/43_612368.jpg)
We have been acquainted __________each other for a long time. [ ]A.over
B. for
C. by
D. with
试题答案
D