errand|errands

我今天的任务是去超市买些牛奶和面包。

My ___errand today is to buy some milk and bread at the supermarket.

我让儿子去跑腿买些面包和牛奶。

I asked my son to run some ___errands to buy bread and milk.

妈妈让我去超市跑个腿买些牛奶。

Mom asked me to run an ___errand to the supermarket for some milk.