咖啡馆和商店排列在城镇的主街道两侧。

Cafes and shops ___line the main street of the town.

排列在小径两侧的老树为行人提供阴凉。

The old trees that ___line the path provide shade for walkers.

国旗在国庆游行期间排列在道路两侧。

Flags ___line the road during the national parade.