21.   Two unidentified gunmen opened fire on the Consulate van.

22.   Masked gunmen opened fire on the bus.

23.   Many students were trapped by smoke and fire on an upper floor.

24.   Then without warning, the troops opened fire on the crowd.

25.   Two men riding on motorcycles opened fire on him.

26.   Soldiers opened fire on a car which failed to stop at an army checkpoint.

27.   In the aftermath of the coup, the troops opened fire on the demonstrators.

28.   Eyewitnesses say the police then opened fire on the crowd.

29.   What monstrous perversion of the human spirit leads a sniper to open fire on a bus carrying children?

30.   Two policemen were killed when gunmen opened fire on their patrol vehicle.

n. + on >>共 1528
pressure 1.52%
report 1.14%
comment 1.06%
decision 0.94%
agreement 0.93%
impact 0.90%
restriction 0.85%
work 0.67%
detail 0.57%
price 0.54%
fire 0.47%
fire + p. >>共 72
in 18.45%
on 18.34%
from 12.55%
to 8.80%
at 7.31%
with 7.01%
for 5.99%
of 1.95%
after 1.71%
by 1.55%
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