Complete the text with the present simple form of the verbs
What is an eclipse?
A solar eclipse...(happen)when the moon...(pass) in front of the sun.This only...(take) place when there is a new moon.It ...(last)for up to 7,5 minutes.During a solar eclipse,it is dark.The brids...(not sing),and animals...(keep) still and quiet.A solar eclipse...(not happen) very often,and most people...(enjoy) seeing one. However,its important not to look straight at the sun.If you...(not remember) this,you can damage your eyes.
A lunar eclipse...(occur)when the earths shadow...(fall) on the moon.The moon...(look) dim until it (come) out from the shadow.

Вот правильный вариант текста с использованием глаголов в форме Present Simple:

What is an eclipse? A solar eclipse happens when the moon passes in front of the sun. This only takes place when there is a new moon. It lasts for up to 7.5 minutes. During a solar eclipse, it is dark. The birds do not sing, and animals keep still and quiet. A solar eclipse does not happen very often, and most people enjoy seeing one. However, it's important not to look straight at the sun. If you do not remember this, you can damage your eyes. A lunar eclipse occurs when the Earth's shadow falls on the moon. The moon looks dim until it comes out from the shadow.

Здесь все глаголы в форме Present Simple, как и требуется в задании.