—I’m sorry I forgot the letter for you! I’m really busy these days”
—It doesn’t matter, I’ll post it myself.”
A. to post
B. posting
C. post
D. posted
网友回答
(答案→)A. to post
B. posting
C. post
D. posted
解析：A forget to do sth.“忘记要做某事”；forget doing sth.“忘记做过某事”。根据句意，“我”没邮寄信件，故用to do。