practice动词形式

例句：
1、It was time to put their suggestion into practice.
那时就该把他们的建议付诸实施了。
2、There are four GPs in our local practice.
在我们地区诊所有四个全科医生。
3、It takes a lot of practice to play the violin well.
拉好小提琴需要多加练习。
4、She does an hour's piano practice every day.
她每天练一小时钢琴。