暴风雨来临前，他们正在给窗户装上挡板。

They are ___shuttering the windows before the storm arrives.

工人们正在搭建模板来浇筑混凝土墙。

The workers are setting up the ___shuttering for pouring the concrete wall.

由于资金问题，这家餐厅下周就要关门停业了。

Due to financial issues, the restaurant will be ___shuttering next week.