rely的形容词最高级是？

　　rely的用法

　　1、Once customers come to rely on these systems they almost never take their business elsewhere

　　顾客一旦依赖上这些系统，几乎就不会光顾其他商家。

　　2、He can rely on my support when the crunch comes

　　关键时刻，他可以依靠我的'支持。

　　3、We rely quite a bit on ready-made meals — they are so convenient

　　我们很是依赖现成食物——它们真的很方便。

　　4、It would be rash to rely on such evidence

　　依靠这样的证据是草率的。