他的可疑行为足以引起警方的注意。

His suspicious behavior ___warranted police attention.

情况紧急，有必要立即采取行动。

The urgency of the situation ___warranted immediate action.

这款笔记本电脑的性能和质量都由厂商提供三年保修。

The performance and quality of this laptop are ___warranted by the manufacturer for three years.