题目内容：

May I ask()a leave?Because my grandparents is ill and my mother asks me {}after her

优质解答

for
to
有不明白的地方再问哟,更上一层楼!

追问：

为什么呀?

追答：

ask for a leave 请假 ask sb to do sth 让某人做某事 都是固定短语