西班牙当局与英国警方合作寻找恐怖分子。

The Spanish authorities ___cooperated with the British police in finding the terrorists.

几家公司正在救援工作中合作。

Several companies are ___cooperating in the relief effort.

Martins决定与警方合作抓住并杀死他。

Martins decides to ___cooperate with the police to catch and kill him.