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 _______, they didn’t do well in helping each other with their study.

   A. To honest     B. Honest     C. To be honest      D. To be honestly

____, they didn’t do well in helping each other with their study.

A. To honest B. Honest　　 　C. To be honest　 D. To be honestly

 

　　 ,they didn’t do well in helping each other with their study.

A. To honest　 B. Honest　 C. To be honest　 D. To be honestly