—Have you known Dr. Jackson for a long time?
—Yes,since she ________ the Chinese Society.
A.has joined | B.joins |
C.had joined | D.joined |
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—Have you known Dr. Jackson for a long time?
—Yes,since she ________ the Chinese Society.
A.has joined | B.joins |
C.had joined | D.joined |
试题篮
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