they need hundreds of hours of study and practice,能改为they need hundreds of hours to study andpractice吗
问题描述：
they need hundreds of hours of study and practice,能改为they need hundreds of hours to study and
practice吗
答
不可以 应该改为practise
to +动词 目的为了（做某事）
加动词原形
答
能。而且明显比前一句更准确。
答
They need hundreds of hours of study and practice.可以改为They need hundreds of hours to study and practise.【注】need + n.+to do sth 需要……来做某事practise 动词 practice名词