The earth is the third planet.

The moon is ------ ---- ----- the earth. 完形填空The world is full of variety.Trees,grasses and other （2） cover the earth.Above the sun shines on the earth as it turns in the universe.This is the world that we see （4） us every day.This world is also the world of chemistry.In thi The sun is much ___than the Earth. The moon is bigger than the earth. Is the moon nearest to the Earth the moon is near to the earth The earth is the third planet. what is the shape of the earth? The earth is the third planet. when is the end of the earth? The sun is ____(big) than the earth.the earth is ____(big )than the moon. There is water__on the earth.(pollute) What is the biggest animal on earth? columbus proved that the earth is round What is a Friend of the Earth? The earth is getting warmer.同义句? The Earth is a star对吗? The Earth is a star的意思