The Earth is acted upon by the gravitational force of attraction due to the sun. They why does the Earth not fall towards sun?

The earth is acted upon by the gravitational force of attraction due to the sun. Then why does the earth not fall towards the sun ?

The work done by the Sun's gravitational force on the Earth is

The moon is acted upon by the gravitational force of earth. Why does not moon fall on to earth?

If the moon attracts the earth, why does the earth not move towards the moon?