The tortoise(乌龟) never stopped ______(run) while the little rabbit stopped ________(have) a rest.
问题描述：
The tortoise(乌龟) never stopped ______(run) while the little rabbit stopped ________(have) a rest.
The tortoise(乌龟) never stopped ______(run) while the little rabbit stopped ________(have) a rest.
答
running stop doing不停做某事
to have stop to do停下来做某事