两位领导人在白宫外摆好姿势拍照。

The two leaders ___posed for photographs outside the White House.

在扫描过程中，患者必须保持几分钟的完全静止姿势。

The patient had to ___pose perfectly still for several minutes during the scan.

艺术家让她在光线最好的窗户旁摆好姿势。

The artist asked her to ___pose by the window where the light was best.