单项选择题

For the sake of ourselves and next generation we must now______ paying attention to greenspace in towns and cities.

A．set about
B．set off
C．set back
D．set down
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单项选择题
It is______ to ask this merciless man for help.
A．out of question
B．out of the question
C．beyond question
D．in question
单项选择题
There is no point______ going by car if we can't park near the theatre.
A．for
B．to
C．out
D．in
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