from the moon ,our earth with water 70% of its surface, appears as a “blue ball”A. seen；co
from the moon ,our earth with water 70% of its surface, appears as a “blue ball”A. seen；co
发布时间：2020-08-16 08:40:33
from the moon ,our earth with water 70% of its surface, appears as a “blue ball” A. seen；covered B. seeing; covering C. seen；covering D. to see; to cover
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A. seen；covered B. seeing; covering (答案→)C. seen；covering D. to see; to cover 解析：可联系答.案.网客服索取。