Things have changed a lot I wrote to you last time.A. whenB. sinceC. asD. before

发布时间：2020-08-16 08:00:16

Things have changed a lot      I wrote to you last time.
A. when
B. since
C. as
D. before

网友回答

A. when
(答案→)B. since
C. as
D. before
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