The earth is the place we live.It is our only home.It gives us everything we need.

The moon is ------ ---- ----- the earth. The PLA Guards of 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? 英语翻译The pla of nowadays? The sun is ____(big) than the earth.the earth is ____(big )than the moon. the sea looks very beautifulThe sea looks very beautiful when sun is shining on it.It can be very terrible when there is a strong wind.The sea is very big.It covere three quarters of the earth.The sea is also very deep in some places.There is one pla 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?