30. My parents have promised to come to see me before I for Africa.A. have leftB. leaveC.

发布时间：2020-08-16 09:50:46


30. My parents have promised to e to see me before I      for Africa.   
      
A. have left
B. leave
C. left
D. will leave

网友回答

A. have left
(答案→)B. leave
C. left
D. will leave
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