The more they know about the earth ,the more they learn abou

The more they know about the earth ,the more they learn abou learn more about the 阅读题 Scientists wantend to know more about the moon. They tho People have learn more about the earth in the last few years The more you learn,the more you know.The more you know,the m learn more about the world意思 they are worried about the earth the more dirty they are,the more you love them 64：they show more about the quality of student's work.more a the poorer they are ,the more children they have They want_____ to know more about China. They learn much more