单项选择题


A．since
B．when
C．while
D．where
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单项选择题
A．flightB．tailC．wingD．off
A．flight
B．tail
C．wing
D．off
单项选择题
According to the passage, which of the following is true
A．The author believes that more police officers do not mean less crime.
B．Larry Elder believes that more police officers do not mean less crime.
C．The author believes that more arrests will result in less crime.
D．Larry Elder believes that more arrests result from less crim
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