单项选择题

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

A．Seeing
B．To be seen
C．Seen
D．Having seen
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单项选择题
The ______ behaviour of the supporters of the football teams caused the police surround the football ground during the match.
A．rough
B．tough
C．coarse
D．harsh
单项选择题
Mr. Brown telephoned the police when he could not ______ with the noise from his neighbour any more.
A．put in
B．put off
C．put up
D．put out
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