单项选择题

______ from space, our earth, with water covering 70% of its surface, appears as a "blue planet ".

A．Seen
B．Seeing
C．To be seen
D．Having seen
<上一题 目录 下一题>
热门 试题

单项选择题
The building ______ mostly undamaged after the earthquake, and only minor repairs were necessary.
A．discovered
B．lasted
C．consisted
D．remained
相关试题