战斗在过去几小时内加剧了。

The fighting has ___intensified in the last few hours.

当他们之间的关系发展到敌对时，这种感觉会加剧。

This feeling is ___intensified when the relationship between them develops to antagonism.

公众对该政策的批评可能会加剧。

Public criticism of the policy is likely to ___intensify.