do morning exercises 早操加不加S
问题描述：
do morning exercises 早操加不加S
2 do exerciese 谓语是单数吧 .
答
要加.exercise 是可数名词.做操不止一个动作,所以复数.
do morning exercises 早操加不加S
2 do exerciese 谓语是单数吧 .
要加.exercise 是可数名词.做操不止一个动作,所以复数.