根据句意的首字母提示,用适当的词补全句子.

问题描述:

根据句意的首字母提示,用适当的词补全句子.
Dr Naismith created a game to be played on a hard wooden floor,so the s_ of the player was important.

大概是吧speed
skills也说得过去,不过是复数,后面是were才对
所以speed比较正确.
这个家伙是现代篮球运动的改革者,制定了篮球比赛的大量规则.