绑匪绑架了富翁的儿子，要求支付五百万赎金。

The gang ___kidnapped the millionaire's son and demanded five million dollars in ransom.

恐怖分子绑架了外交官，要求政府释放他们的同伙。

The terrorists ___kidnapped a diplomat to pressure the government into releasing their comrades.

劫匪绑架了富豪的儿子并索要巨额赎金。

The gangsters ___kidnapped the billionaire's son and demanded a huge ransom.