作业帮I'm really sorry that I have kept you_______(wait) for me so long.
来源：学生作业帮助网 编辑：作业帮 时间：2024/05/03 06:29:44
I'm really sorry that I have kept you_______(wait) for me so long.
I'm really sorry that I have kept you_______(wait) for me so long.
I'm really sorry that I have kept you_______(wait) for me so long.
keep sb doing sth,所以,应该是waiting
Waiting