39. Thank you for your help. for your help, I wouldn’t have succeeded in my experiment.A.

发布时间：2020-08-16 07:00:51


39. Thank you for your help.      for your help, I wouldn’t have succeeded in my experiment.
A. If it is not
B. Were it not
C. Had it not been
D. If they were not

网友回答

A. If it is not
B. Were it not
C. Had it not been
D. If they were not
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