Stop.
All the words are anagrams of each other.

Promise.

You have three apples.

We will never find an elephant that has only one hand.

The bicycles are playing cards of the brand Bicycle. The man and three friends were playing poker and he cheated, that's why there is an extra card. They got so mad; they flung the table, chairs, and cards around and shot the cheater.

Kangaroo

100 steps.

Let v be the speed of the escalator, in steps per second. Let L be the number of steps that you need to take when the escalator stands still.

Upwards (along with the escalator), you walk 1 step per second. You need 50 steps, so that takes 50 seconds. This gives the following equation:

L steps - 50 seconds × v steps/second = 50 steps.
Downwards (against the direction of the escalator), you walk 5 steps per second. You need 125 steps, so that takes 25 seconds. This gives the following equation:

L steps + 25 seconds × v steps/second = 125 steps.
From the two equations follows: L = 100, v = 1. When the escalator stands still, you need 100 steps.

She took a photo and developed it in a black room

Make a square and then make an X in it.

Hopefully 'you'! Humans are animals too

The outside.

Longgan