Their teacher usually gives them many --------(exercise)every day.But they want to do much ---------(exercise)outside.用所给词的适当形式填空

问题描述:

Their teacher usually gives them many --------(exercise)every day.
But they want to do much ---------(exercise)outside.
用所给词的适当形式填空

原型 不用解释 exercises 前有many 所以用复数 练习题的意思

[常作复数]体操;操练。 个人认为两个都用原形。

exercises 前有many 所以用复数 练习题的意思
exercise 锻炼 不可数

原型 不解释 不可数名词 果断原型