2008 全国Ⅰ Paper Question 27 Single-choice Differentiating 2008_全国Ⅰ卷卷 (英语) 27. — Have you known Dr. Jackson for a long time?— $Yes, since she________ the Chinese Society.$ A. has joinedB. joinsC. had joinedD. joined Answer keyD ☆ SaveCan't do it, show the explanation查看原卷 →