11.   In the next few days they freed hostages after the government agreed to deliver the ransom and provide a helicopter with pilots.

12.   The army also has provided helicopters to Hydro-Quebec to help it assess the extensive damage to its system.

13.   The army also has provided helicopters to Hydro-Quebec to help it assess the extensive damage.

14.   The Kenyan government has turned down a request to provide helicopters.

15.   The Royal Dutch Navy provided one helicopter, Savage said.

16.   The Pentagon said that peacekeeping force, known as ECOMOG, provided the helicopters for the airlift.

17.   The ships will provide the helicopters with additional takeoff platforms and medical facilities.

18.   Washington is providing combat helicopters and training troops for a counternarcotics offensive into FARC-dominated areas where the rebels profit from the cocaine trade.

19.   Washington has been increasing its military aid to the government, providing helicopters and training troops to fight rebels involved in the drug trade.

20.   With negotiations plodding, Washington has been increasing its military aid to the government, providing helicopters and training troops to fight rebels involved in the drug trade.

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%
provide 1.15%
provide + n. >>共 996
detail 6.39%
information 4.94%
service 4.41%
support 2.30%
evidence 1.86%
assistance 1.63%
security 1.54%
money 1.50%
protection 1.39%
opportunity 1.33%
helicopter 0.05%
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