他每周三晚上定期去健身房锻炼。
He goes to the gym ___regularly every Wednesday evening.
她习惯性地在睡前喝一杯热牛奶。
She ___regularly drinks a cup of warm milk before bed.
她经常锻炼以保持健康。
She ___regularly exercises to stay healthy.
士兵们以整齐的间隔站立。
The soldiers stood at ___regular spaced intervals.