solidify|solidified|solidifies

共同的挑战使团队成员更加团结。

The shared challenge helped ___solidify the team members' bond.

蜡烛油在冷却后迅速凝固。

The candle wax quickly ___solidified as it cooled down.

水在零度以下会凝固成冰。

Water ___solidifies into ice when the temperature drops below zero.