他们为完成项目而击掌。

They high-fived to celebrate ___completing the project.

他将在今年夏天完成大学学业。

He will be ___completing his college education this summer.

她正在完成这幅画，添上最后的几笔。

She is ___completing the painting by adding the final touches.

这个装饰画完美地挂在墙上，为整个房间增添了最后的点睛之笔。

The decorative painting hangs perfectly on the wall, ___completing the final touch for the entire room.