12．I have written down everything that I saw and heardmemories are still fresh.A. sinceB.

发布时间：2020-08-16 06:43:22


12．I have written down everything that I saw and heard    memories are still fresh.
A. since
B. while
C. before
D. Unless

网友回答

A. since
(答案→)B. while
C. before
D. Unless
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