Ithasbeentwoyears_________hecame

发布时间:2020-07-11 23:03:23

It has been two years _________ he came to China












A.since











B.after










C.before










D.till

网友回答

A解析本题考查的是since引导的时间状语从句,since引导的从句为一般过去时,其主句为现在完成时,故选
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