sentence: Randy would have flunked out of school if not for Brett 's tutoring since 
complete: Brett was a superior student.

sentence: He dyed his mohawk a bright green color with the hair dye and then washed and used conditioner on it.  The 
complete: conditioner softened his hair.

sentence: Samuel was asked to bring a cake to work but not tell Michael. 
complete:
Samuel had to keep a it a secret.