Please tell my father the talk tomorrow.A. don’t forget B. not forget C. not to forget

问题补充：

Please tell my father the talk tomorrow.

A. don’t forget B. not forget C. not to forget

答案：

解析：句意：请告诉我父亲不要忘记明天的演讲。tell sb not to do sth告诉某人不要做某事。不定式的否定形式在to前加not，故选C。