地铁在上下班高峰期非常拥挤。

The subway is ___crowded during rush hour.

夜晚的街道上挤满了人。

The street is ___crowded with people at night.

市场里挤满了人。

The market is ___crowded with people.

周末商场里挤满了购物的人。

The mall is ___crowded with shoppers on weekends.