─Whyisn’tJackpresentatthemeeting? ─I’mterriblysorry.I

问题详情：

─ Why isn’t Jack present at the meeting?  

─ I’m terribly sorry. I _____ him about it.  

A. forget to tell                B. forget telling          C. forgot to tell             D. forgot telling  

【回答】

知识点：不定式

题型：选择题