他习惯性地咬指甲，尤其是在紧张的时候。

He has a ___habitual nail-biting tendency, especially when nervous.

她习惯性地在早晨喝一杯咖啡。

She has a ___habitual cup of coffee every morning.

他习惯性地在早晨喝一杯咖啡。

His ___habitual morning routine includes a cup of coffee.