21.   Overhead, helicopter gunships and Sukhoi jet fighters patrolled the skies.

22.   A French helicopter patrolled the skies over the capital.

23.   A half-dozen Greek airmen are aboard U.S. radar planes patrolling the skies over the United States.

24.   A helicopter of the U.N. peacekeeping force patrolled city skies before dawn Thursday, its searchlight sweeping the streets.

25.   A U.S.-led force patrols the skies over the safe haven.

26.   Also, a half-dozen Greek airmen are aboard U.S. radar planes patrolling the skies over the United States.

27.   And, a half-dozen Greek airmen are aboard U.S. radar planes patrolling the skies over the United States.

28.   Beyond strikes on ground targets, U.S. military planes have been patrolling the skies to look out for enemy threats and escorting planes dropping humanitarian aid.

29.   British Defense Minister George Robertson arrived in Kuwait Monday for talks with a squadron that patrols the skies over southern Iraq.

30.   But pending a specific U.S. request, it has yet to say what it might provide beyond AWACS reconnaissance jets to patrol skies over the United States.

v. + sky >>共 260
observe 7.31%
fill 6.32%
patrol 6.17%
light 4.95%
expect 3.66%
clear 3.05%
scan 2.89%
report 2.89%
predict 2.67%
see 2.59%
patrol + n. >>共 318
street 25.47%
area 11.86%
border 4.22%
city 3.69%
sky 3.08%
zone 2.89%
water 2.24%
road 2.13%
ground 1.90%
town 1.86%
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