Marysaidsorrytoherteacherbecauseof   thehomeworkathome...

问题详情：

 Mary said sorry to her teacher because of    the homework at home, but the truth was that she simply    it.

A. forgetting; forgot doing                     B. forgot; forgot to do 

C. leaving; forgot to do                        D. left; forgot doing

【回答】

C

知识点：动词和动词短语

题型：选择题