______ from space, the earth, with water______ seventy percent of its surface , looks like a "blue ball".

admin2010-02-22  98

问题 ______ from space, the earth, with water______ seventy percent of its surface , looks like a "blue ball".

选项 A、Seen; covered
B、Seeing; covering
C、Seeing; covered
D、Seen; covering

答案D

解析
转载请注明原文地址:https://kaotiyun.com/show/Q99K777K
0

最新回复(0)