20．—Though it is 30 years we last met, I still remember the scene we got separated on a

发布时间：2020-08-16 06:51:47


20．—Though it is 30 years      we last met, I still remember the scene      we got separated on a rainy day.
A. since; where
B. before; which
C. since; when
D. before; where

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(答案→)A. since; where
B. before; which
C. since; when
D. before; where
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