A frog lives near a small house. In spring the weather becomes warm. The frog likes to play in the yard of the house. Sometimes. 1 can find something interesting there.
One day, the frog sees a pot on a stove, he goes 2 . There is fire in the stove, but the water in the pot is cool at first. The frog likes it. He begins to 3 in the pot happily.
The 4 gets hotter slowly but the frog keeps swimming in it. 5 does he do that? Because the change is 6 and he gets used to the hotter water.
Soon, the water starts to boil. The frog wants to jump out, 7 he can't. He becomes very weak because the water is too 8 . At last, he dies in the pot. The frog stays too long in the pot and doesn't 9 it is dangerous.
We should keep thinking about the small changes. Then, we can 10 before it's too late. If we don't do that, we may become boiled frogs, too.