21.   North Korea on Sunday, Christmas day, will release a US aviator whose helicopter was downed in the North a week ago, a local news report said.

22.   On Saturday, a US army spotter helicopter was downed in North Korea after straying off course through the Demilitarized Zone, which divides the peninsula.

23.   Taylor said UN officials were trying to determine how the helicopter was downed but that this would be difficult.

24.   The helicopter was downed over the northwest Bosnian town of Bihac.

v. + helicopter >>共 299
use 17.03%
send 5.54%
fly 4.25%
shoot 3.95%
board 3.05%
dispatch 2.35%
see 2.25%
take 1.95%
hit 1.95%
prevent 1.75%
down 1.20%
down + n. >>共 226
plane 11.64%
line 7.50%
tool 6.22%
helicopter 3.83%
road 3.35%
shutter 2.87%
tree 2.87%
aircraft 2.71%
jet 2.07%
beer 2.07%
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