题目内容
() 21. mothers couldn't go to the meeting,because they have gone to Shanghai.
A. Mary and Peter,s B. Mary and Peter
C. Mary's and Peter D. Mary's and Peter,s
21. D
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题目内容
() 21. mothers couldn't go to the meeting,because they have gone to Shanghai.
A. Mary and Peter,s B. Mary and Peter
C. Mary's and Peter D. Mary's and Peter,s