我把一条毯子铺在他的腿上，给他保暖。

I ___spread a blanket over his legs to keep him warm.

我们把大地图铺在地板上，仔细研究路线。

We ___spread the large map on the floor to examine the route.

他把文件仔细地在桌上摊开，以便大家查看。

He carefully ___spread the documents out on the table for everyone to see.