惯于

例句：

1. 1. He has developed a habit of waking up early every morning.
   他养成了每天早上早起的习惯。
2. 2. The old man has a habit of walking to the park every evening.
   这位老人有每天晚上散步到公园的习惯。
3. 3.She has a habit of making a cup of tea before bedtime.
   她有在睡觉前泡一杯茶的习惯。