随着调查的展开，真相逐渐浮出水面。

As the investigation ___unfolds, the truth gradually comes to light.

他慢慢展开地图，寻找正确的路线。

He slowly ___unfolds the map to find the right route.

随着调查的深入，案件的真相慢慢浮出水面。

The truth of the case gradually ___unfolds as the investigation deepens.

随着调查的深入，真相逐渐浮出水面。

As the investigation continues, the truth slowly ___unfolds.