your 's sister is your auntyour 's sister is your aunt 要在空格处填顺便帮一下这个、your mother's child is your_______

问题描述:

your 's sister is your aunt
your 's sister is your aunt
要在空格处填
顺便帮一下这个、
your mother's child is your_______

1.mother
2.nephew

mother

前一空为mother,后一空为self