creep的过去式和过去分词

例句：

Back I go to the hotel and creep up to my room.

我回到旅馆，蹑手蹑脚地进了房间。

Tiredness can easily creep up on you while you're driving.

开车时会很容易不知不觉地就累了。

As she became more tired, errors began to creep into her work.

由于越来越疲劳，她的'工作开始出现差错。

I would creep in and with stealthy footsteps explore the second floor.

我会悄悄溜进去，轻手轻脚地看一下二楼的情况。