这条小路在拐弯处变得越来越窄。

The path is ___narrowing at the bend.

裁缝正在把裤腿改窄。

The tailor is ___narrowing the pant legs.

公司正在缩小招聘范围，只考虑有经验的候选人。

The company is ___narrowing its hiring scope to only experienced candidates.

随着调查的深入，嫌疑人的范围正在缩小。

The list of suspects is ___narrowing as the investigation progresses.