the earth is about_ the moon.为什么是fifty times as big as 不是fifty times bigger than?

the earth is about_ the moon.为什么是fifty times as big as 不是fifty times bigger than? The newly built dormitory building is about_.A.120 meters high B.120-meters-high The moon is ------ ---- ----- the earth. what about_(swim) in the lake this sunday 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? 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?