把这句I don't know who i can ask for help按下面的形式Could you tell me how we can get to the post office?改为：Could you tell me how to get to the post office?

把这句I don't know who i can ask for help按下面的形式Could you tell me how we can get to the post office?改为：Could you tell me how to get to the post office?
把这句I don't know who i can ask for help
按下面的形式
Could you tell me how we can get to the post office?
改为：
Could you tell me how to get to the post office?

把这句I don't know who i can ask for help按下面的形式Could you tell me how we can get to the post office?改为：Could you tell me how to get to the post office?
I don't know who to ask for help?

I don't know who to ask for help