my parents are promised to come to see me before i __{leave} for Africa.

问题描述:

my parents are promised to come to see me before i __{leave} for Africa.
讲明理由O(∩_∩)O谢谢
my parents are promised to come to see me before i __(填空){leave} for Africa.
题目没有问题

leave
我觉得你题目有问题,应该是have prmised 吧.
如果是have prmised 主句用一般将来时,从句用一般现在时