My aunt has worked in a clinic 2008.A. afterB. beforeC. tillD. since

发布时间：2020-08-17 12:51:42

My aunt has worked in a clinic     2008.
A. after
B. before
C. till
D. since

网友回答

A. after
B. before
C. till
(答案→)D. since
解析：根据前面用现在完成时态，所以这里用since。
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