我们不得不爬一些台阶才能到达前门。

We had to climb some ___steps to reach the front door.

我请他们把包裹放在前门的台阶上。

I asked them to leave the parcel on the front ___step.

我走下四个台阶就到了海滩！

I go down four ___steps and I am on the beach!