单项选择题

Scientists can predict regions （）new species are most likely to be found.

A．where
B．when
C．why
D．how

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单项选择题
It is a great pity for （）to be any quarrel in the school board meeting.

A．where
B．here
C．there
D．why
单项选择题
Changes in climate （）slowly through the years.

A．make progress
B．take place
C．keep pace
D．set sail
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