我生病时，她代替了我。

She ___stood ___in for me when I was sick.

由于我将离开这两天，我已经请了莱曼先生的秘书桑迪代替我。

As I will be away these two days, I have asked Mr. Ryman's secretary Sandy, to ___stand ___in for me.

经理不在期间，副手将代替她。

The deputy will ___stand ___in for the manager during her absence.